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Stoichiometry Mole–Mole Stoichiometry

1

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How many moles of O₂ are produced by electrolysis of 108 g H₂O? 2H₂O → 2H₂ + O₂

Verified Answer & Explanation⌄

Correct Answer: B) 3 mol

Concept Explanation

108 g H₂O = 108/18 = 6 mol. 2 mol H₂O produce 1 mol O₂. Therefore, 6 mol H₂O produce 3 mol O₂.

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