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Two moles of magnesium in five moles of oxygen are placed in a reaction vessel. When magnesium is ignited, it reacts with oxygen. What is the limiting reactant in this experiment

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User Masayuki
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1 Answer

6 votes
It is Magnesium. Because
2Mg+O2=2MgO
2 moles of magnesium are required for 1 mol of O2.
We have 5 moles of O2.
Thus,we would soon run out of Mg
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User Carlos Salazar
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