Neco Model Questions Vol1 2021 Chemistry Question 49
Practice objective / multiple choice question 49 from the 2021 Neco Model Questions Vol1 Chemistry examination.
A 12.0 g sample of calcium carbonate is heated according to \(\text{CaCO}_3(s) \rightarrow \text{CaO}(s) + \text{CO}_2(g)\). The carbon dioxide is collected over water at 25 °C and a total pressure of 750 mm Hg. The vapor pressure of water at this temperature is 23.8 mm Hg and the volume of gas collected is 1.85 L. Calculate the percent yield of calcium oxide obtained.
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About This Question
This is Neco Model Questions Vol1 2021 Chemistry Question 49. It is one of the objective questions from the 2021 Neco Model Questions Vol1 Chemistry examination.
Difficulty level: Medium .
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