How many moles of O₂ react with 3.600 mol of Cu₂O in the following reaction? 2 Cu₂O(s)+ O₂(g)→ 4 CuO(s) A)7.200 mol B)3.600 mol C)1.800 mol D)5.400 mol

Question

Quizplus · Accepted Answer

According to the balanced chemical equation, the molar ratio of O₂ to Cu₂O is 1:2. Therefore, we need half the amount of Cu₂O to react with O₂. Half of 3.600 mol of Cu₂O is 1.800 mol. Therefore, 1.800 mol of O₂ is required to react completely with 3.600 mol of Cu₂O.

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