Neco Model Questions Vol1 2017 Chemistry Question 37
Practice objective / multiple choice question 37 from the 2017 Neco Model Questions Vol1 Chemistry examination.
A \(5.00\ \text{g}\) sample of a mixture containing calcium carbonate (\(\mathrm{CaCO_3}\)) and sodium carbonate (\(\mathrm{Na_2CO_3}\)) is treated with excess hydrochloric acid. The total volume of \(\mathrm{CO_2}\) gas collected over water at \(25^{\circ}\text{C}\) and \(760\ \text{mmHg}\) is \(1.19\ \text{L}\). Assuming ideal gas behaviour, calculate the mass percent of \(\mathrm{CaCO_3}\) in the original mixture.
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About This Question
This is Neco Model Questions Vol1 2017 Chemistry Question 37. It is one of the objective questions from the 2017 Neco Model Questions Vol1 Chemistry examination.
Difficulty level: Medium .
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