Add comment. molecular weight of C6H12O6 or Examples include mm, Analytical cookies are used to understand how visitors interact with the website. Advertisement cookies are used to provide visitors with relevant ads and marketing campaigns. Convert grams C6H12O6 to moles - Conversion of Measurement Units How many moles of C are in C6H12O6? - Sage-Answer 1.2044 x 1024 6 6.022 x 1023 1.2044 x 1023 0 1.8066 x 1024. grams C6H12O6 to micromol Direct link to Shafkat Ahmed's post at 0:42,molar mass is e, Posted 2 years ago. The reason is that the molar mass of the substance affects the conversion. We use the most common isotopes. What is the molar mass for the empirical formula of C6H12O6? Glucose is the main ingredient that gets processed during cellular respiration. a. What is the molar mass of glucose C6H12O6 quizlet? Please enable Javascript to use 2022 Science Trends LLC. all of these up together so it's going to be 180. Molarity = moles of solute/Liters of solution ( 450 ml = 0.450 liters) 5M C6H12O6 = moles C6H12O6/0.450 liters = 2.25 moles C6H12O6 (180.156 grams/1 mole C6H12O6) = 405.351 grams of. This is not the same as molecular mass, which is the mass of a single molecule of well-defined isotopes. They are not the same thing but many people use the terms incorrectly, I don't understand how Sal finds the molar mass. metres squared, grams, moles, feet per second, and many more! https://www.convertunits.com/contact/remove-some-ads.php. Question: =How many moles of molecules are present in 2.041024 molecules of glucose, C6H12O6? To complete this calculation, you have to know what substance you are trying to convert. The measure of the mass of an individual molecule of a compound is itsmolecular mass. The SI base unit for amount of substance is the mole. Chemistry questions and answers. Subtraction & addition have different significant figure rules compared to multination & division. Glucose is classified as a hexose (six carbon atoms) and has several distinct polymorphs. C6 H12 06 is a chemical compound that is known as a simple sugar. molecular weight of C6H12O6 or How many molecules are in 1.00 mg of glucose, #C_6H_12O_6#? Performance cookies are used to understand and analyze the key performance indexes of the website which helps in delivering a better user experience for the visitors. For bulk stoichiometric calculations, we are usually determining molar mass, which may also be called standard atomic weight or average atomic mass. Our panel of experts willanswer your queries. Have a question? Using our rearranged formula, we find that there are 45180.16=0.222 moles 45 180.16 = 0.222 moles of glucose in 45g. In this video well learn to convert moles of C6H12O6 to grams. The reason is that the molar mass of the substance affects the conversion. So, 5.40 g= 5.4/180=0.03moles. The molar mass of a substance is the mass in grams of 1 mole of the substance. you the number of grams we have of glucose which would be 1,520 and if you have your conversion calculator for all types of measurement units. moles C6H12O6 to mole In chemistry, the formula weight is a quantity computed by multiplying the atomic weight (in atomic mass units) of each element in a chemical formula by the number of atoms of that element present in the formula, then adding all of these products together. Type in your own numbers in the form to convert the units! ConvertUnits.com provides an online Next, we can multiply these values by the frequency of each element, so: Adding all these values together will give us the total molar mass of glucose: Glucose is a simple sugar (monosaccharide) that is ubiquitous in living organisms. So what is the molar mass of glucose? 12. We assume you are converting between grams C6H12O6 and mole. MITs Alan , In 2020, as a response to the disruption caused by COVID-19, the College Board modified the AP exams so they were shorter, administered online, covered less material, and had a different format than previous tests. Note that rounding errors may occur, so always check the results. So, if I had one mole of skittles . The answer is 180.15588. One mole of glucose molecule has a mass of 180.16 g. The SI base unit for amount of substance is the mole. Finding molar mass starts with units of grams per mole (g/mol). This site explains how to find molar mass. However, you may visit "Cookie Settings" to provide a controlled consent. Nov 3, 2016. 1 mole of water has a mass of 18.02 grams, so if an experiment calls for 3 moles of water, we know that we need 18.02(3) = 54.06 grams of water. 24 moles of carbon dioxide provides 1624=4 moles of glucose. Which statement accurately describes a compound with the chemical formula C6H12O6? moles C6H12O6 to millimol This is how to calculate molar mass (average molecular weight), which is based on isotropically weighted averages. Answer and Explanation: The molarity of the solution is 0.175 M C6H12O6 0.175 M C 6 H 12 O 6 . moles C6H12O6 to decimol To log in and use all the features of Khan Academy, please enable JavaScript in your browser. Formula weights are especially useful in determining the relative weights of reagents and products in a chemical reaction. You will be building one type of sugar called glucose. glucose has a molecular formula of C6H12O6, so a single molecule of glucose contains 6 carbon atoms, 12 hydrogen atoms, and 6 oxygen atoms. The formula weight is simply the weight in atomic mass units of all the atoms in a given formula. This cookie is set by GDPR Cookie Consent plugin. The answer is 180.15588. How many moles C6H12O6 in 1 grams? 1 moles C6H12O6 to grams = 180.15588 grams, 2 moles C6H12O6 to grams = 360.31176 grams, 3 moles C6H12O6 to grams = 540.46764 grams, 4 moles C6H12O6 to grams = 720.62352 grams, 5 moles C6H12O6 to grams = 900.7794 grams, 6 moles C6H12O6 to grams = 1080.93528 grams, 7 moles C6H12O6 to grams = 1261.09116 grams, 8 moles C6H12O6 to grams = 1441.24704 grams, 9 moles C6H12O6 to grams = 1621.40292 grams, 10 moles C6H12O6 to grams = 1801.5588 grams. The molecular formula of glucose, C6H12O6 = 6 x CH2O c. The molecular weight of glucose is 180 g/mol. It is equal to 6 x 30 g/mol. Don't see the answer that you're looking for? The SI base unit for amount of substance is the mole. There are 2 moles of C6H12O6 in 300 g C6H12O6 , rounded to one significant figure. moles C6H12O6 to nanomol. 2005 - 2023 Wyzant, Inc, a division of IXL Learning - All Rights Reserved. How many moles are represented by 100g of glucose C6H12O6? Elevated levels of blood sugar, called hyperglycemia, can lead to nausea, fatigue, stomach pains, blurred vision, and frequent urination. The SI base unit for amount of substance is the mole. And when you go on a low-carb/high-protein diet, your brain is using low-octane fuel. How many moles are there in 100 g of glucose (C6H12O6)? How many moles C6H12O6 in 1 grams? grams C6H12O6 to decimol. To complete this calculation, you have to know what substance you are trying to convert. area, mass, pressure, and other types. Direct link to coop's post Sal added g/mol at the en, Posted 2 years ago. https://www.convertunits.com/contact/remove-some-ads.php. How many moles of c6h12o6 are needed to make 24 moles? Lucky Block New Cryptocurrency with $750m+ Market Cap Lists on LBank. there are 5.1171021 molecules present in 1.53g of C6H12O6 , glucose. Direct link to Ryan W's post The molar mass of any ele, Posted 3 years ago. 1 Answer anor277 Dec 30, 2015 The . Posted 3 years ago. as English units, currency, and other data. Question: Fructose, C6H12O6, a monosaccharide, is found in honey and fruits. These cookies will be stored in your browser only with your consent. All kinds of glucose are colorless and are easily dissolved in water, alcohol, and other organic solvents. How many moles of C6H12O6 are needed to make 24 moles? 2 4 6 . You can view more details on each measurement unit: Most questions answered within 4 hours. These relative weights computed from the chemical equation are sometimes called equation weights. How many moles C6H12O6 in 1 grams? number of that thing. Credit: D-glucose chain via WikiCommons CC0 1.0. Thats why its multiplied by 1000. https://www.convertunits.com/contact/remove-some-ads.php. An example of an organic compound is glucose (C6H12O6), which is shown in Figure 3.12. How many molecules are there in 360g of glucose? You can also use this molarity calculator to find the mass concentration or molar mass. Direct link to Ryan W's post They are not the same thi, Posted 3 years ago. 1.2044 x 1024 6 6.022 x 1023 1.2044 x 1023 0 1.8066 x 1024. To complete this calculation, you have to know what substance you are trying to convert. 35,000 worksheets, games, and lesson plans, Spanish-English dictionary, translator, and learning, a Question moles C6H12O6 to micromol David Park. moles C6H12O6 to atom Convert grams C6H12O6 to moles or moles C6H12O6 to grams, Molecular weight calculation: The energy produced during the Krebs cycle is the main driver of oxidative phosphorylation, the process by which the body actually produces ATP, the fundamental energy currency of biochemical processes. Chemistry The Mole Concept The Mole. Necessary cookies are absolutely essential for the website to function properly. By clicking Accept, you consent to the use of ALL the cookies. https://www.wikiwand.com/en/Avogadro_constant, Creative Commons Attribution/Non-Commercial/Share-Alike. inch, 100 kg, US fluid ounce, 6'3", 10 stone 4, cubic cm, *The formula mass of glucose is (12)+2(1)+16 = 30 amu. moles C6H12O6 to kilomol Using the chemical formula of the compound and the periodic table of elements, we can add up the atomic weights and calculate molecular weight of the substance. It is equal to 6 x 30 g/mol. Solved In the photosynthesis reaction 6CO2 + 6H20 C6H12O6 - Chegg Answer: The number of moles of glucose can be calculated by multiplying the volume of the solution (in liters) by the concentration of the solution: 0 L x 0. mol/L = 0 mol. Most importantly, the concept of molar mass serves as the bridge between mass and amount of substance because it is generally impossible to directly count how many particles are in a substance. The SI base unit for amount of substance is the mole. ConvertUnits.com provides an online Functional cookies help to perform certain functionalities like sharing the content of the website on social media platforms, collect feedbacks, and other third-party features. symbols, abbreviations, or full names for units of length, This cookie is set by GDPR Cookie Consent plugin. 1 grams C6H12O6 is equal to 0.0055507486072617 mole. the unit converter.Note you can turn off most ads here: This chemical compound has 6 atoms of carbon, 12 atoms of hydrogen, and 6 atoms of oxygen. How many moles of each type of atom are in one mol of C6H12O6? Glucose can be chemically represented as C6H12O6. In one molecule of glucose, there are 12 hydrogen, 6 carbon, and 6 oxygen atoms. You can view more details on each measurement unit: This site explains how to find molar mass. The reason is that the molar mass of the substance affects the conversion. How many moles of carbon C were in the original sample? We assume you are converting between grams C6H12O6 and mole. You can view more details on each measurement unit: The molecular formula of glucose, C6H12O6 = 6 x CH2O c. The molecular weight of glucose is 180 g/mol. Chemistry questions and answers. as English units, currency, and other data. Type in unit All Rights Reserved. The molar mass of a compound can be determined by multiplying the molar masses of the individual elements by their relative frequency in a molecule of a compound and summing the total values. Finding molar mass starts with units of grams per mole (g/mol). Avogadros constant is specifically chosen so 1u (or 1 dalton) is equal to 1 gram/mole. The answer is 180.15588. Note that rounding errors may occur, so always check the results. The formula weight is simply the weight in atomic mass units of all the atoms in a given formula. If I had one mole of apples, I would have602,214,150,000,000,000,000,000 apples, if I had one mole of hydrogen atoms, I would have602,214,150,000,000,000,000,000 of them. periodic table of elements, it has a molar mass of Note that rounding errors may occur, so always check the results. The SI base unit for amount of substance is the mole. Or is it optional? You can find metric conversion tables for SI units, as well For bulk stoichiometric calculations, we are usually determining molar mass, which may also be called standard atomic weight or average atomic mass. You need to solve physics problems. 1 grams C6H12O6 is equal to 0.0055507486072617 mole. (The molar mass of C6H12O6 is 180.18 g/mol.). This site explains how to find molar mass. We assume you are converting between grams C6H12O6 and mole. And so now we have all So carbon has a molar mass In the photosynthesis reaction 6CO2 + 6H20 C6H12O6 + 602, how many moles of H20 will be needed to produce 4 moles of O2? How many moles are in 720 grams of glucose c6h12o6? A common request on this site is to convert grams to moles. This is not the same as molecular mass, which is the mass of a single molecule of well-defined isotopes. How many total moles of ions are released when each of the following samples dissolves completely in water? No packages or subscriptions, pay only for the time you need. grams C6H12O6 to atom If you're seeing this message, it means we're having trouble loading external resources on our website. This cookie is set by GDPR Cookie Consent plugin. Born and raised in the city of London, Alexander Johnson studied biology and chemistry in college and went on to earn a PhD in biochemistry. Advertisement cookies are used to provide visitors with relevant ads and marketing campaigns. mol Direct link to Banana bomb's post Is molar mass the same as, Posted 3 years ago. Hydrogen, for instance, has a standard atomic weight of 1.00794. But opting out of some of these cookies may affect your browsing experience. Using the above definitions, we can determine the molar mass of glucose step by step. We also use third-party cookies that help us analyze and understand how you use this website. How many moles are there in 120 g of glucose? | Socratic 1 molecule of glucose contains 6 atoms of C, 12 atoms of H, and 6 atoms of O 1 mole of glucose contains 6 moles of C atoms, 12 moles of H atoms, and 6 moles of O atoms. There are 24 atoms in one molecule of C6 H12 06. Analytical cookies are used to understand how visitors interact with the website. If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked. A common request on this site is to convert grams to moles. ATP drives literally every biological reaction in the body, so without a steady supply of glucose, the body will not be able to produce its fuel. Does The Arrow Of Time Apply To Quantum Systems? answered 10/14/21, Ph.D. in Biochemistry--University Professor--Chemistry Tutor. So like always, pause this video and try to figure this out on your own and this periodic table of We use cookies on our website to give you the most relevant experience by remembering your preferences and repeat visits. This gives a molar mass of 126.737 g/mol. So if we start off with Advertisement Advertisement New questions in Chemistry. Functional cookies help to perform certain functionalities like sharing the content of the website on social media platforms, collect feedbacks, and other third-party features. How do you calculate the number of moles from volume? This compound is also known as Glucose or Fructose or Galactose. Convert grams C6H12O6 to moles - Conversion of Measurement Units kilogram sample of glucose. You can view more details on each measurement unit: molecular weight of C6H12O6 or mol This compound is also known as Glucose or Fructose or Galactose. How many grams C6H12O6 in 1 mol? The answer is 180.15588. How many moles C6H12O6 in 1 grams? grams C6H12O6 to kilomol 1 mole is defined as an amount of substance that contains exactly 6.0221476 1023 constituent particles. The SI base unit for amount of substance is the mole. So the answer is properly reported as 180.16 with two decimal digits since we're limited by carbon and oxygen's molar masses with only two decimal digits. If the formula used in calculating molar mass is the molecular formula, the formula weight computed is the molecular weight. Try searching for a tutor. Type in unit Need help with something else? The formula for the number of moles formula is expressed as. Once you understand how it works it can be applied to many different conversion (as long as you know the conversion factor). You'll get a detailed solution from a subject matter expert that helps you learn core concepts. We assume you are converting between grams C6H12O6 and mole. How many grams C6H12O6 in 1 mol? How many grams C6H12O6 in 1 mol? Type in unit it is not exactly optional it simply means grams per mol this means it like the S.I unit. the information we need from our periodic table of elements. moles C6H12O6 to micromol What percent of glucose C6H12O6 is carbon? mass of a carbon atom, or what's useful, and this is where Avogadro's Number is valuable, if you have Avogadro's Number of carbons, it is going to have a mass of 12.01 grams. The molecular formula for glucose is C6H12O6, so the empirical formula is CH2O. The formula weight is simply the weight in atomic mass units of all the atoms in a given formula. Thus, 100 grams of glucose represents 0.55 moles . The cookie is used to store the user consent for the cookies in the category "Analytics". This is the case because 1 mole of a molecule is equal to 6.0221407610^23 (avogadros constant) individual molecules. periodic table of elements, has a molar mass of 12.01 grams per mole. How many moles of each type of atom are in one mol of C6H12O6? Its solubility makes it an essential compound for biological processes. Do NOT follow this link or you will be banned from the site! We use the most common isotopes. 4 moles of C6H12O produces 24 moles of CO2 . conversion calculator for all types of measurement units. Normal bodily functioning requires some level of blood sugar, but too much can be harmful. moles C6H12O6 ----- 523.46 g 523.46 x 1 / 180.15 => 2.905 moles. The cookie is used to store the user consent for the cookies in the category "Other. The cookies is used to store the user consent for the cookies in the category "Necessary". Direct link to Everett Garrett's post How come at 1:57 the hydr, Posted 3 years ago. So the molar mass of glucose is going to be six times the molar mass of carbon plus 12 times the molar mass of hydrogen plus six times the molar mass of oxygen. Well to figure that out, and that's why this periodic table of elements is useful, we just have to figure out the molar mass of the constituent elements. Again you know, moles = mass (given) mass (molar) Moles of C 6 H 12 O 6 . grams C6H12O6 to nanomol Direct link to Miriam Biros's post How would you solve somet, Posted 3 years ago. a measure of how much mass one mole of that element has. In chemistry, the formula weight is a quantity computed by multiplying the atomic weight (in atomic mass units) of each element in a chemical formula by the number of atoms of that element present in the formula, then adding all of these products together. trying to figure out the number of moles, The atomic weights used on this site come from NIST, the National Institute of Standards and Technology. Six times 12.01 plus 12 times 1.008 plus six times 16 is equal to, and if we're thinking about significant figures here, the molar mass of hydrogen In certain solutions, glucose will unravel from its cyclical arrangement to form a linear chain of carbon atoms capped with the aldehyde group. You will be building one type of sugar called glucose. To recap, every element has a molar mass, a measure of how much one mole of that substance weighs. This compound is also known as Glucose or Fructose or Galactose. 1 grams Glucose is equal to 0.0055507486072617 mole. hydrogen in the same way. Molar masses are important because they figure in equations used to predict the physical and chemical behavior of substances. moles C6H12O6 to mole Chemistry. All other compounds are called inorganic compounds. common chemical compounds. Recommended videos In order to use the molar mass of glucose (~180 g/mol), the 1.52 kg needs to be converted into g first. 1 grams C6H12O6 is equal to 0.0055507486072617 mole. How many moles of glucose C6H12O6 are in? [Expert Guide!] 16.00 grams per mole. grams C6H12O6 to picomol Question: How many moles are there in 100 g of glucose (C6H12O6)? - Chegg You can find metric conversion tables for SI units, as well These cookies ensure basic functionalities and security features of the website, anonymously. The percentage by weight of any atom or group of atoms in a compound can be computed by dividing the total weight of the atom (or group of atoms) in the formula by the formula weight and multiplying by 100. area, mass, pressure, and other types. It does not store any personal data. In chemistry, the formula weight is a quantity computed by multiplying the atomic weight (in atomic mass units) of each element in a chemical formula by the number of atoms of that element present in the formula, then adding all of these products together. 4 How many moles of carbon C were in the original sample? The adolescent protagonists of the sequence, Enrique and Rosa, are Arturos son and , The payout that goes with the Nobel Prize is worth $1.2 million, and its often split two or three ways. Solution : Mass of glucose `=720g` Molecular weight of glucose `(C_6H_12O_6) =180` No. Use this page to learn how to convert between moles C6H12O6 and gram. A useful information to have would be the number of molecules in one mole of any substance, since knowing how many molecules you get in one mole will allow you to calculate how many you'd get in 4.00 moles. conversion calculator for all types of measurement units. 6 carbon atoms grams C6H12O6 to millimol Direct link to KLaudano's post It is probably because th, Posted 3 years ago. https://www.convertunits.com/contact/remove-some-ads.php. The answer is 0.0055507486072617. why we say NaCl or KCl always why we don't say ClNa or ClK instead. Do you need underlay for laminate flooring on concrete? How many moles of atoms are in C? 12.00 g C-12 = 1 mol C-12 atoms = 6.022 1023 atoms The number of particles in 1 mole is called Avogadros Number (6.0221421 x 1023). This is not the same as molecular mass, which is the mass of a single molecule of well-defined isotopes. Substitute the known values to calculate the molarity: molarity = 5 / (1.2 * 36.46) = 0.114 mol/l = 0.114 M . 6 mole of C atoms, 12 moles of H atoms, and 1 mole of O atoms c. 6 mole of C atoms, 1 moles of H atoms, and 6 mole of O atoms d. 6 moles of C atoms, 12 moles of H atoms, 6 moles of O atoms Follow 2 Add comment In other words, the molar mass of a compound is equal to the sum of the molar masses of its constituent atoms. Join Grand Canyon National Park Trips . Hence, 100g of glucose contain 0.55 moles. How many moles of C are in 100g of C6H12O6? You can do the reverse unit conversion from When calculating molecular weight of a chemical compound, it tells us how many grams are in one mole of that substance. How many moles are present in a 45 g of glucose c6h12o6? Formula weights are especially useful in determining the relative weights of reagents and products in a chemical reaction. see significant figures, we have three significant figures here, we have five here so we wanna round it to three significant figures, so it will be 8.44 moles of glucose. The winners are: Princetons Nima Arkani-Hamed, Juan Maldacena, Nathan Seiberg and Edward Witten. The answer is 180.15588. This is a total of 24 atoms. Well also do the reverse and convert grams to moles.First we'll find the molar mass of C6H12O6. The molar mass of glucose can be calculated by multiplying the molar masses of its atomic constituents by their frequency in a single molecule and adding those values together. We use the most common isotopes. I don't understand finding the significant figures at the end of the example. So the molar mass of This is how to calculate molar mass (average molecular weight), which is based on isotropically weighted averages. b) How many carbon atoms are in 12.6 moles of of C6H12O6 ? The cookies is used to store the user consent for the cookies in the category "Necessary". grams C6H12O6 to atom Use this page to learn how to convert between grams C6H12O6 and mole. elements will prove useful. grams of glucose we have, and then we're going to divide by 180.16, divide by 180.16, gives us this number, and let's see, if we The atomic weights used on this site come from NIST, the National Institute of Standards and Technology. If I said a dozen of something, you'd say oh, that's 12 of that thing. Express your answer to three significant figures. The answer is 0.0055507486072617. A common request on this site is to convert grams to moles. Molecules of the same compound can have different molecular masses because they can be composed of different isotopes of the same element. A link to the app was sent to your phone. 4 moles by the mass per mole and we'll know how many moles we have. I can only go to the hundredths place for significant figures, so 180.16. To find the molar mass of a molecule or an ionic compound, all one has to do is first multiply the molar masses of the constituent elements by their frequency in the compound, and add the total values together. It is probably because the atomic mass of hydrogen is so small that the extra precision makes a more significant difference when doing calculations with it. Mass of C 6 H 12 O 6 = 100g. 12.0107*6 + 1.00794*12 + 15.9994*6. Molecular weight of C6H12O6 - Convert Units There are 2 moles of C6H12O6 in 300 g C6H12O6, rounded to one significant figure. Using the chemical formula of the compound and the periodic table of elements, we can add up the atomic weights and calculate molecular weight of the substance. The cookie is used to store the user consent for the cookies in the category "Performance". Just like the words million and billion, the word mole stands for a specific quantity of things; approximately602,214,150,000,000,000,000,000 of them. Step 2: Calculation of moles of C6H12O6. The molar mass of an element can be determined by multiplying the standard atomic weight by the molar mass constant g/mol. https://www.convertunits.com/contact/remove-some-ads.php. How many moles are in a skittle? Solved =How many moles of molecules are present in 2.041024 | Chegg.com 1 molecule of glucose contains 6 atoms of C, 12 atoms of H, and 6 atoms of O 1 mole of glucose contains 6 moles of C atoms, 12 moles of H atoms, and 6 moles of O atoms. Do I have to do the same when I write the equation out? Formula weights are especially useful in determining the relative weights of reagents and products in a chemical reaction. What is the formula mass of a molecule of C6H12O6 quizlet? Convert grams C6H12O6 to moles or moles C6H12O6 to grams Molecular weight calculation: 12.0107*6 + 1.00794*12 + 15.9994*6 Percent composition by element Calculate the molecular weight of a chemical compound Can I replace a regular outlet with a USB outlet? The cookie is set by the GDPR Cookie Consent plugin and is used to store whether or not user has consented to the use of cookies. Use this page to learn how to convert between moles C6H12O6 and gram. Necessary cookies are absolutely essential for the website to function properly. moles C6H12O6 to centimol 1 mole of C atoms, 12 moles of H atoms, and 1 mole of O atoms b. Oxygen, we can see from our Hydrogen has a molar mass 1 grams C6H12O6 is equal to 0.0055507486072617 mole. The basic idea is that your answer to a calculation shouldnt have more significant figures than the initial quantity given has. The cookie is used to store the user consent for the cookies in the category "Other. This cookie is set by GDPR Cookie Consent plugin. metres squared, grams, moles, feet per second, and many more! As shown in this video, we can obtain a substance's molar mass by summing the molar masses of its component atoms. hundredths for carbon and for oxygen, we're adding of moles `=(Mass)/(Molar mass)` `(720)/(180)=4`moles . To complete this calculation, you have to know what substance you are trying to convert.