Percent Composition from a Formula

261 Visninger· 03/30/23
ElemScienceMath
ElemScienceMath
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To determine the percent composition of propane (C3H8), first find the molar mass of propane. The molar mass of propane is 44.1 g/mol. Next, divide the molar mass of propane by the mass of one mole of carbon atoms. This number is the percent composition of propane. The percent composition of propane is 12.9%.

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