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December 21, 2014

Homework Help: Chem

Posted by Lena on Thursday, December 11, 2008 at 11:08pm.

I did this experiment where I filled a graduated cylinder with water. The I put a stopper on it and put it under water and removed the stopper. The with a modified lighter (that wouldn't release sparks) I added butane gas. I got the following results:

mass of lighter = 15.15 g
final mass of lighter = 15.00 g
volume of butane = 80.0 mL
temperature = 25.0 degrees celsius
atmosperic pressure = 101.4 Kpa

How would I find the water vapour pressure?

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