Consider that calcium metal reacts with oxygen gas in the air to form calcium oxide. Suppose we react 5.66 mol calcium with 4.00 mol oxygen gas. Determine the number of moles of oxygen left over after the reaction is complete.
A) 2.83 mol O2
B) 1.66 mol O2
C) 1.17 mol O2
D) 4.00 mol O2
E) none of these
Correct Answer:
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