October 13, 2015

Homework Help: chemistry help!!

Posted by Joanie on Monday, March 21, 2011 at 12:54pm.

a gaseous mixture contains 1 mol of O2 and 2 mol of CO2, exerting a total pressure of 1.5 atm. what amount of CH4 must be added to the mixture in order to increase the total pressure to 2 atm. (assume no gas escapes and there is no change in total volume)

the answer is 1 mol but i do not know how to get to that answer!

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