Bulfer633 Bulfer633

16-06-2015
Chemistry

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What is the molar mass of a gas with a mass of 10.0 g and a volume of 63.0 L at STP

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lulu1991 lulu1991

16-06-2015

Under STP, the gas has a rule of 22.4 L/mol. So the mol number of this gas is 63/22.4=2.81 mol. The molar mass means the mass of a substance per mol. So the molar mass of this gas is 10/2.81=3.56 g/mol.

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