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October 24, 2014

Homework Help: Chemistry

Posted by Cynthia on Monday, March 5, 2012 at 5:24pm.

Zn metal was allowed to react with hydrochloric acid to produce hyrdogen gas.This gave a total of 555mL of gas collected over water at 20C and a pressure of 747mm of Hg. How many moles of hydrogen were collected? The vapor pressure of water at 20C is 18mm Hg.

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