the mass in grams of a molecule of aspirin, c9h8o4

1.81 x 10-3 B. Example \(\PageIndex{2}\): Determining Percent Composition from a Molecular Formula Aspirin is a compound with the molecular formula C 9 H 8 O 4.What is its percent composition? The atomic weights used on this site come from NIST, the National Institute of Standards and Technology. 1.41 g c. How many moles of aspirin are present in 100 mg of aspirin? Save my name, email, and website in this browser for the next time I comment. 2)The gram molecular mass of oxygen is 16.0 g right? 12.What is the mass of 2.80 x 10, 7 of 13 Items Item 7 Use the table to answer the question. How can you determine the molar mass of a gaseous compound if you do not know its molecular formula? You'll get a detailed solution from a subject matter expert that helps you learn core concepts. You can see that in Aspirin C9H8O4 , there are 9 Carbon atoms, 8 Hydrogen atoms and 4 Oxygen atoms. Formula weights are especially useful in determining the relative weights of reagents and products in a chemical reaction. The molar mass of C9H8O4 is 108+8+64 = 180 g/mol. Atomic Mass: 15.9994 and to be exactly divisible by 187. A 3.3700 g sample of a salt which contains copper, nitrogen and oxygen, was analyzed to contain 1.1418 g of copper and 1.7248 g of oxygen. Convert grams C9H8O4 to moles or moles C9H8O4 to grams Molecular weight calculation: 12.0107*9 + 1.00794*8 + 15.9994*4 Percent composition by element Element: Hydrogen Symbol: H Atomic Mass: 1.00794 # of Atoms: 8 Mass Percent: 4.476% Element: Carbon Symbol: C Aspirin C9H8O4 Molar Mass Calculation If you have a periodic table with you, then you can easily calculate the molar mass of Aspirin or Acetylsalicylic acid or C9H8O4. Question: What is the mass, in grams, of 4.86 1023 molecules of aspirin The chemical formula for aspirin is C9H8O4, which indicates that it is composed of 9 carbon atoms, 8 hydrogen atoms, and 4 oxygen atoms. (5.56x1023 molecules)/(6.02x1023 molecules/mole) = 0.924 mole. The number of moles of a species is given by the expression (1) in which n represents the number of moles, m represents the given mass and M represents the molar mass. So lets look at the molar mass of Carbon, Hydrogen and Oxygen from the above periodic table. Hence the Molar mass of Aspirin (C9H8O4) is 180.159 g/mol. Molar mass of Aspirin or Acetylsalicylic acid or C9H8O4 is 180. In a combination reaction, there is always a single product. , there is a need for blocks of C, H and O in a known mass of C9H8O4. These relative weights computed from the chemical equation are sometimes called equation weights. . This is how to calculate molar mass (average molecular weight), which is based on isotropically weighted averages. You can find out more about our use, change your default settings, and withdraw your consent at any time with effect for the future by visiting Cookies Settings, which can also be found in the footer of the site. What is the mass of 0.00785 mol of aspirin? Molecular weight of C9H8O4 - Convert Units This information is useful in various applications, such as chemical reactions and drug dosage calculations. ANSWER: 45 g 2)The gram molecular mass of oxygen is. The molar mass of aspirin is the mass of one mole of the substance, which is equal to its atomic weight in grams. What is the mass, in grams, of 4.56 1023 molecules of aspirin, C9H8O4? The designations for a solid, liquid, or gas are (s), (l), and (g) respectively. What is the mass of 0.40 mol of aspirin? A number in front of a chemical formula in an equation that indicates how many molecules or atoms of each reactant and product are involved in a reaction. One mole of any substance contains the same number of representative particles as one mole of any other substance. The precipitate formed in a double-replacement reaction can be identified using table of solubility. # of Atoms: 9 The reactants are two or more elements and/or compounds that combine. Now we need the molar mass of C9H8O4. I hope you have understood the short and simple calculation for finding the molar mass of Aspirin. Mass Percent: 35.523%. Aspirin, also known as acetylsalicylic acid, is a commonly used pain reliever and anti-inflammatory medication. You can measure the mass of 22.4 L of the compound at STP; this is the molar volume of the gas. For members entering service on or after April 2, 2012, please . Now in Aspirin C9H8O4 , there are 9 Carbon atoms, 8 Hydrogen atoms and 4 Oxygen atoms. The aspirin molecule consists of 8 Hydrogen atom s , 9 Carbon atom s and 4 Oxygen atom s - a total of 21 atom s. Formula in Hill system is C9H8O4 Computing molar mass molar weight To calculate molar mass of a chemical compound enter its formula and click 'Compute'. A compound of nitrogen and oxygen that contains 30.43% N by weight. The formula of aspirin is C9H8O4. phosphate? In H2SO4, there are two atoms of hydrogen, one atom of sulfur, and four atoms of oxygen. Atomic Mass: 1.00794 For bulk stoichiometric calculations, we are usually determining molar mass, which may also be called standard atomic weight or average atomic mass. . This site is using cookies under cookie policy . Symbol: O The definition of a mole makes this calculation possible. In conclusion, the molar mass of aspirin is 180.1568 grams per mole, which is determined by adding up the atomic weights of all the atoms present in the compound. But how can you get this value? Mass Percent: 60.001%, Element: Oxygen 4.7K views 11 months ago Explanation of how to find the molar mass of C9H8O4: Aspirin (Acetylsalicylic acid). 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. A few things to consider when finding the molar mass for C9H8O4: Almost. aspirin, C9H8O4? How many moles of ASA are in the sample? But all these units (i.e g/mol, grams/mole and g/mole) are the same. He is a founder of Knords Learning and is passionate about helping students through his easily digestible explanations. Hence the Molar mass of Aspirin (C9H8O4) is 180.159 g/mol. Weights of atoms and isotopes are from Related:. For example, the molar mass of salicylic acid is 138.12 g/mol, the molar mass of acetic anhydride is 102.09 g/mol, and the molar mass of acetylsalicylic acid is 180.16 g/mol. If you have a periodic table with you, then you can easily calculate the molar mass of Aspirin (or Acetylsalicylic acid or C9H8O4). I did it quickly, so check the number, but I get 180.2 grams/mole. Step-by-step explanation: The number of constituent particles or atoms present in one mole of a substance is known as Avogadro number. You now repeat the drop, but you have a friend down on the street who throws another ball upward at speed vvv. Because the molar mass of any molecule (or compound) can be calculated by simply adding the molar masses of individual atoms. The formula weight is simply the weight in atomic mass units of all the atoms in a given formula. In accordance with the law of conservation of mass, a chemical equation must be balanced. Aspirin (C9H8O4) Molar Mass (With Calculations) - Knords Learning Another common problem is not watching your significant figures, which can throw off your answer in the last decimal place. For example, the atomic mass of carbon, C, is 12.01 amu. Use Avogadro's Number to Convert Molecules to Grams - ThoughtCo

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