Waec Model Questions Vol1 2022 Chemistry Question 5
Practice essay / theory question 5 from the 2022 Waec Model Questions Vol1 Chemistry examination. This question covers Stoichiometry, Limiting reagent, Theoretical yield, Percent yield, Gas collection .
A student carries out the following reaction in a laboratory: CaCO₃ (s) + 2 HCl (aq) → CaCl₂ (aq) + H₂O (l) + CO₂ (g) The student weighs 2.00 g of calcium carbonate and adds excess hydrochloric acid. The molar masses are: CaCO₃ = 100.09 g·mol⁻¹, CO₂ = 44.01 g·mol⁻¹. The volume of carbon dioxide collected over water at 25 °C and 1.00 atm is 0.35 L. The vapour pressure of water at 25 °C is 23.8 mmHg. Answer the following:
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This is Waec Model Questions Vol1 2022 Chemistry Question 5. It is one of the essay questions from the 2022 Waec Model Questions Vol1 Chemistry examination.
The question covers Stoichiometry, Limiting reagent, Theoretical yield, Percent yield, Gas collection .
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