Waec Model Questions Vol1 2025 Chemistry Question 50
Practice objective / multiple choice question 50 from the 2025 Waec Model Questions Vol1 Chemistry examination.
When 5.00 g of calcium carbonate (CaCO₃, M = 100.09 g mol⁻¹) reacts with excess HCl according to CaCO₃ + 2 HCl → CaCl₂ + H₂O + CO₂, the CO₂ gas is collected over water at 25 °C and a total pressure of 750 mmHg. The volume of dry CO₂ collected is 1.02 L. Calculate the percent yield of CO₂.
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This is Waec Model Questions Vol1 2025 Chemistry Question 50. It is one of the objective questions from the 2025 Waec Model Questions Vol1 Chemistry examination.
Difficulty level: Medium .
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