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Practice question

MCQ

Question

A mixture of 10 g C and 24 g O₂ is ignited to form CO₂. What is the mass of CO₂ produced? (Atomic masses: C = 12, O = 16)

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Explanation

Reaction: C + O₂ → CO₂. Moles: C ≈ 0.8333 mol, O₂ = 0.75 mol. O₂ limits; 0.75 mol CO₂ formed = 0.75 × 44 = 33 g.

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