Magnesium oxide can be made by heating magnesium metal in the presence of the oxygen. The balanced equation for the reaction is 2Mg(s)+O2(g)→2MgO(s) When 10.0 g Mg is allowed to react with 10.5 g O2, 11.8 gMgO is collected.   1. Determine the theoretical yield for the reaction. 2. Determine the percent yield for the reaction.

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