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April 18, 2014

Homework Help: chemistry

Posted by preshi on Wednesday, May 2, 2012 at 3:26pm.

1. When gases are collected using displacement of water, some water vapor mixes in with the gas being collected. A student performed a similar experiment in which 35.2 ml of H2 gas was collected over water at a temperature of 21 degrees Celsius. If the barometric pressure was 758mmHg. How many grams of water vapor mixed in with the hydrogen gas.

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