WAEC Chemistry 2024 Objective — Question 32
Question 32 of 50 from the West African Examinations Council (WAEC) Chemistry 2024 Objective paper, with the correct answer and a full explanation.
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32. The volume of 22 g of CO₂ at stp is equivalent to [C=12, O=16, molar volume at stp = 22.4 dm³]
- A. 2.20 dm³
- B. 22.4 dm³
- C. 11.2 dm³Correct
- D. 5.6 dm³
Explanation
Mole of CO₂ = 22/44 = 0.5 mol. Volume at stp = 0.5 × 22.4 = 11.2 dm³.
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