WAEC Chemistry 2024 Objective — Question 26
Question 26 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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26. A volume of 400 cm³ of ethane was completely burnt in excess oxygen: 2C₂H₆(g) + 7O₂(g) → 6H₂O(g) + 4CO₂(g). Calculate the volume of steam that would be produced.
- A. 200 cm³
- B. 400 cm³
- C. 600 cm³
- D. 1200 cm³Correct
Explanation
C₂H₆ : H₂O = 2 : 6. V = (400 × 6)/2 = 1200 cm³.
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