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August 23, 2014

Homework Help: math/chem

Posted by Lena on Friday, December 12, 2008 at 1:00am.

I need to find the mass of butane gas and I only know the following things (you cannot use the molar mass of butane):

volume = 80 mL
pressure = 98.23 KPa
temp.= 298K

So I found the number of mols and I got 0.003171814 mols. of butane.

But I don't know what to do after this since I can't use molar mass.

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