February 22, 2017

Homework Help: chemistry

Posted by Sarah on Monday, November 7, 2011 at 4:38pm.

A reaction produced 55.7 mL of nitrogen gas, which was collected over water at 23oC. The measured barometric pressure was 742 torr. If the vapor pressure of water at 23oC is 21 torr, what was the mole fraction of N2 in the collected gas?

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