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Practice question

MCQ

Question

A mixture of 16 g CH₄ and 32 g O₂ is ignited. What is the mass of CO₂ produced? (Atomic masses: C = 12, H = 1, O = 16)

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Explanation

Reaction: CH₄ + 2O₂ → CO₂ + 2H₂O. Moles: CH₄ = 1 mol, O₂ = 1 mol. O₂ is limiting (1 mol). 0.5 mol CH₄ reacts, producing 0.5 mol CO₂ = 22 g.

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