Homework Help: Chemistry

Posted by Amanda on Wednesday, October 6, 2010 at 10:20pm.

I need help calculating the partial pressure of H2 using the following information 0.028 g Mg with excess HCl which produced 31.0 mL of H2 gas. The gas was collected by water displacement in a 22 degrees Celsius water bath. The pressure was 746 mmHg.

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