Waec Model Questions Vol1 2025 Chemistry Question 25
Practice objective / multiple choice question 25 from the 2025 Waec Model Questions Vol1 Chemistry examination.
The combustion of octane (C₈H₁₈) follows the equation C₈H₁₈ + a O₂ → b CO₂ + c H₂O. (i) Determine the coefficients a, b and c. (ii) Using the balanced equation, calculate the volume of CO₂ (in litres) produced at STP when 2.00 g of octane is completely burnt. (Molar volume at STP = 22.4 L).
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This is Waec Model Questions Vol1 2025 Chemistry Question 25. It is one of the objective questions from the 2025 Waec Model Questions Vol1 Chemistry examination.
Difficulty level: Medium .
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