Friday
August 29, 2014

Homework Help: Chemistry

Posted by Chase on Tuesday, August 28, 2007 at 1:08pm.

Problem: A gaseous mixture of O2 and Kr has a density of 1.181 g/L at 485 torr and 300. K. What is the mole percent O2 in the mixture?

Attempt: I have tried everything possible that I know and I can't get anywhere close to the solution. d=m/v=pM/RT... nothing works. Help please?

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