Gce Model Questions Vol1 2017 Chemistry Question 24
Practice objective / multiple choice question 24 from the 2017 Gce Model Questions Vol1 Chemistry examination.
A \(5.00\ \mathrm{g}\) sample of calcium carbonate (\(\mathrm{CaCO_3}\), \(M = 100.09\ \mathrm{g\,mol^{-1}}\)) is reacted with excess hydrochloric acid according to \(\mathrm{CaCO_3 + 2\,HCl \rightarrow CaCl_2 + CO_2 + H_2O}\). The carbon dioxide gas is collected over water at \(25^{\circ}\mathrm{C}\) and a total pressure of \(750\ \mathrm{mmHg}\). The water vapour pressure at this temperature is \(23\ \mathrm{mmHg}\). The volume of dry \(\mathrm{CO_2}\) collected is \(1.20\ \mathrm{L}\). Determine the percent yield of \(\mathrm{CO_2}\).
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About This Question
This is Gce Model Questions Vol1 2017 Chemistry Question 24. It is one of the objective questions from the 2017 Gce Model Questions Vol1 Chemistry examination.
Difficulty level: Medium .
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