Waec Model Questions Vol1 2023 Chemistry Question 31
Practice objective / multiple choice question 31 from the 2023 Waec Model Questions Vol1 Chemistry examination.
A 5.00 g sample of a mixture containing sodium carbonate (Na₂CO₃) and potassium carbonate (K₂CO₃) is treated with excess hydrochloric acid. The reaction produces carbon dioxide gas which is collected over water at 25 °C and 1 atm. The volume of dry CO₂ collected at STP is 0.84 L. Determine the mass percent of Na₂CO₃ in the original mixture.
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About This Question
This is Waec Model Questions Vol1 2023 Chemistry Question 31. It is one of the objective questions from the 2023 Waec Model Questions Vol1 Chemistry examination.
Difficulty level: Medium .
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