# chem

What is the mass of 0.455 L of butane gas, C4H10, at STP?

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1. 1 mol butane at STP has a volume of 22.4 L. Calculate the number of mols from that. Then 1 mol butane has a mass of (4*12) +))10*1); therefore, you number of mols will have a mass of ?

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