Explain how much of the excess reactant will remain

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While 7.24 moles of magnesium as well as 3.86 moles of oxygen gas react to form magnesium oxide, which reactant will be leftover? Explain how much of the excess reactant will remain?

This has to do with balancing the reaction equation however I can't seem to get the answer in the book of .24 moles ofO2.

Reference no: EM13667460

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