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Verified Answer & Explanation⌄

Correct Answer: C) 5.6 L

Concept Explanation

6.0 g Mg ≈ 0.25 mol Mg. Mg and H₂ react in a 1:1 molar ratio. Therefore, H₂ = 0.25 mol = 5.6 L at STP.

Topic: Mass–Volume StoichiometryPractice more Mass–Volume Stoichiometry MCQs →