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May 30, 2015

Homework Help: Chemistry

Posted by Coug on Sunday, January 3, 2010 at 12:05pm.

What is the molecular weight of a gas if a 15.0g sample has a pressure of 836 mm Hg at 25.0 degrees C in a 2.00 L flask?

a)167
b)1.35
c)176
d)11.1
e)none of the above


Please explain... I need to understand how to do this. Thanks.

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