How many moles of Al are needed to react exactly with 10.00 moles of Fe₂O₃ according to the following equation?
Fe₂O₃ + 2 Al $\rightarrow$ Al₂O₃ + 2Fe

Question

How many moles of Al are needed to react exactly with 10.00 moles of Fe₂O₃ according to the following equation? Fe₂O₃ + 2 Al $\rightarrow$Al₂O₃ + 2Fe

Quizplus · Accepted Answer

According to the balanced chemical equation, 1 mole of FeS reacts with 2 moles of Al. Therefore, to react with 10.00 moles of FeS, 20.00 moles of Al are needed (10.00 moles of FeS * 2 moles of Al/mole of FeS = 20.00 moles of Al).

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