February 20, 2017

Homework Help: chemistry

Posted by Jesse on Monday, March 19, 2012 at 10:45am.

a 256 mL sample of an unknown gas was collected over water at 23 degrre celsius and 750 mmHg. the gas has a mass of 0.80 grams. what is the molar mass of the gas? (the vapor pressure of water at 23 degree celsius is 21.0 mmHg)

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