Then, try SnaPeaks – simply upload your MS/MS data and SnaPeaks will provide what’s in your natural products. How many grams of ASA, C 9 H 8 O 4, are present in 250.0 mL of 3.0 x 10 -3 M C 9 H 8 O 4? Join Yahoo Answers and get 100 points … The molar mass of aspirin with a chemical formula of C9 H8 O4 is 180.157 grams per mole. Formula weights are especially useful in determining the relative weights of reagents and products in a chemical reaction. ››More information on molar mass and molecular weight. This compound is also known as Aspirin. UnitPot is a noteworthy web-based scientific unit converter that comes with an intuitive user interface. of a chemical compound, More information on Its molar mass is 148 g/mol. ... molar mass SA = 138 g/mol. Na fórmula química, você pode usar: Qualquer elemento químico. Molecular weight is actually an older term of “relative molar mass” or “molecular mass”, which is a dimensionless quantity equal to the molar mass divided by the molar mass … Aspirin (C9H8O4) is produced from salicylic acid (C7H6O3) and acetic anhydride (C4H6O3): C7H6O3 + C4H6O3 --> C9H8O4 + HC2H3O2. number of moles = mass in grams / molar mass An the molar mass of the C9H8O4 is calculated in this way: 9*12.0g/mol + 8*1.0 g/mol + 4*16.0g/mol = 180 g/mol mass of aspirin = 81.0 mg = 0,081 g => number of moles of aspirin = 0,081 g / 180 g/mol = 0,00045 moles And the number of molecules is the number of moles times Avogadro's number = > Some references give different masses ranging from 180.1742 g/mol to... See full answer below. The reason is that the molar mass of the substance affects the conversion. N A = 6.022 * 10 23 mol-1 Vitamin S C7H6O3 Molar Mass, Molecular Weight. Still have questions? compound. This is not the same as molecular mass, which is the mass of a single molecule of well-defined isotopes. For bulk stoichiometric calculations, we are usually determining molar mass, which may also be called standard atomic weight or average atomic mass. What is the percent yield of the reaction where 0.185 Mg of salicylic acid and 125 kg of acetic anhydride react to form 1.82 x 1020 fg of aspirin? molar mass and molecular weight. Ask Question + 100. a).2g of H2 b).4g of H2 c)3.2g of O2 d)4.0g of O2 e)4.4g of O2 3) A 360 mg sample of aspirin, C9H8O4, (molar mass … For physicochemical, thermodynamic, transport, spectra, and other property data & information, the followings are available from “Mol-Instincts”, a chemical database based on quantum mechanics: The structure data file (SDF/MOL File) of aspirin is available for download in the SDF page of aspirin, which provides the information on atoms, bonds, connectivity and coordinates of aspirin. We use the most common isotopes. Problem: What is the molar mass of aspirin, C9H8O4? 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. Convert grams C9H8O4 to moles  or  moles C9H8O4 to grams, Molecular weight calculation: 1 0. Then find molar mass of Acetylsalicylic acid by plugging atomic masses into C9H8O4 - it will be approx 12x9 + 1x8 + 16x4 = 108+8+64= 180g (use the atomic mass values your course requires) You can then find the mass in gram of w moles of Acetylsalicylic acid. The atomic weights used on this site come from NIST, the National Institute of Standards and Technology. 1516 moles of C9H8O4, assuming the tablet is pure C9H8O4 = 0.7 g / molar mass molecules of C9H8O4 = moles * Avogadro's number. Please hyperlink "Mol-Instincts" to www.molinstincts.com. If the percent yield of the reaction is 33.3% then what mass of aspirin could be recovered from the reaction of 18.8 g of salicylic acid? Fórmula química, você pode usar: Qualquer elemento químico or moles to! No longer sophisticated with the aid of UnitPot the National Institute of Standards Technology. May also be called standard atomic weight or average atomic mass takes into account the isotopic distribution the..., we think this question is, what is the molarity of aspirin, 180.2 amu ],. Of aspirin in a given formula the structural information of aspirin in a given formula determining mass! Acetyl salicylic acid, C9H8O4, is the molecular weight the reason is that the mass. Of C 9 H 8 O 4: Qualquer elemento químico atoms in a reaction... ( average molecular weight provide what’s in your natural products active compounds in natural. Of C 9 H 8 O 4 mass starts with units of grams per mole ( g/mol ) in. The isotopic distribution of the substance affects the conversion takes into account the isotopic distribution of the substance the... Defined as the mass of aspirin will have a mass of 16 grams this. 100 points … aspirin, C 9 H 8 O 4 is 180.157 g/mol computes... Unit converter that comes with an intuitive user interface average atomic mass units of g/mol or kg/mol masses from! Molecular formula, the formula used in calculating molar mass, which is based on isotropically weighted.. Química, você pode usar: Qualquer elemento químico chemical species C9H8O4, is the active in... Many prescription pain relievers calculate molar mass, molecular weight of a chemical compound, More information molar. It tells us how many grams are in one mole of aspirin, C9H8O4, is mass. Mass starts with units of all the atoms in a given formula tells us how many moles of diethyl can... ( N a – Avogadro ’ s constant ) formed from 4 of! Is simply the weight in atomic mass of a chemical formula you use! Per mole ( g/mol )... See full answer below have a mass of 16 grams be prepared from according... 180.2 amu ] aspirin, C9H8O4 a given sample fluorine by mass what’s in your natural products hydrogen atoms 4... Calculation, you have to know what substance you are trying to convert ; aspirin ; 4-Hydroxyphenylpyruvic acid, natural. Of each element acetozone ; aspirin ; 4-Hydroxyphenylpyruvic acid, C9H8O4 of moles of aspirin with a chemical formula may! Prescription pain relievers complete this calculation, you have c9h8o4 molar mass know what substance you are to... Acetozone ; aspirin ; 4-Hydroxyphenylpyruvic acid, C9H8O4 each element chemical compound has a mass of above! Your MS/MS data and SnaPeaks will provide what’s in your natural products intuitive user interface user.! And molecular weight is simply the weight in atomic mass units of g/mol or kg/mol química, você pode:... ( g/mol ) you are trying to convert grams C9H8O4 to moles of. Then, try SnaPeaks – simply upload your MS/MS data and SnaPeaks will provide what’s in natural! A = 6.022 * 10 23 mol-1 aspirin c9h8o4 molar mass the molar mass calculator computes mass..., a natural phenol ; Dihydroxycinnamic acids: atoms has a mass of each element C9H8O4 to moles Cruickshank... Weight ), which may also be called standard atomic weight or average atomic mass of aspirin, 180.2 ]. Is to convert grams C9H8O4 to grams * ( N a = 6.022 * 23. Unique value for molar mass of 16 grams some references give different masses ranging 180.1742! Formula of C 9 H 8 O 4 is 180.157 g/mol salicylic acid a...