Igcse Model Questions Vol1 2023 Chemistry Question 8
Practice objective / multiple choice question 8 from the 2023 Igcse Model Questions Vol1 Chemistry examination.
When potassium chlorate (\(\mathrm{KClO_3}\), molar mass 122.55 g mol\(^{-1}\)) decomposes on heating according to \(2\,\mathrm{KClO_3 \rightarrow 2\,KCl + 3\,O_2}\), 10.0 g of \(\mathrm{KClO_3}\) are heated completely. Calculate (a) the volume of oxygen gas produced at STP (22.4 L mol\(^{-1}\)), and (b) the mass of potassium chloride formed.
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About This Question
This is Igcse Model Questions Vol1 2023 Chemistry Question 8. It is one of the objective questions from the 2023 Igcse Model Questions Vol1 Chemistry examination.
Difficulty level: Medium .
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