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Stoichiometry Mass–Mass Stoichiometry

1

Choose the best answer

27 g of Al reacts with how much O₂ to produce Al₂O₃? 4Al + 3O₂ → 2Al₂O₃

Verified Answer & Explanation⌄

Correct Answer: D) 24 g

Concept Explanation

27 g Al = 1 mol Al. 1 mol Al requires 3/4 mol O₂. Mass of O₂ = 3/4 × 32 = 24 g.

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