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October 25, 2014

Homework Help: Chemistry

Posted by Jessica on Tuesday, March 20, 2012 at 3:37pm.

Consider the reaction of magnesium metal with hydochloric acid to produce magnesium chloride and hydrogen gas. If 3.85 mol Mg and 3.85 mol of HCl are reacted, how many mol of oxygen are left over?
I balanced the equation and got Mg(OH)2+2HCl=MgCl2+2H2O.
Can you please walk me through the steps and not just give the answer?

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