What volume of carbon dioxide at STP is formed by the complete combustion of 6.0 g of carbon (C = 12, molar volume = 22.4 dm³)?
Correct answer C. 11.2 dm³
Explanation
C + O₂ → CO₂. Moles of C = 6.0/12 = 0.50 mol, producing 0.50 mol CO₂. Volume = 0.50 × 22.4 = 11.2 dm³.
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