February 22, 2017

Homework Help: chemistry

Posted by amy on Saturday, November 6, 2010 at 11:41am.

The following reaction is carried out as a source of hydrogen gas in the laboratory:
Zn(s) + 2HCl(aq) ---> ZnCl2(aq) + H2(g)
If 305 mL of hydrogen gas is collected over water at 25 °C at a total pressure of 746 mm Hg , how many grams of Zn reacted?

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