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the molar mass of nitrogen gas is 28.0g/mol. A 100.0-g sample of air contains how many moles of nitrogen
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the molar mass of nitrogen gas is 28.0g/mol. A 100.0-g sample of air contains how many moles of nitrogen

User Iofjuupasli
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Simply divide the total grams by how many grams there are in a mole and you will have how many moles you have

100g x 1 mol N2 / 28 grams = 3.57 moles N2
User Doublemarked
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