Igcse Model Questions Vol1 2022 Chemistry Question 17
Practice objective / multiple choice question 17 from the 2022 Igcse Model Questions Vol1 Chemistry examination.
A piece of magnesium weighing \(0.500\ \text{g}\) is placed in excess hydrochloric acid. The hydrogen gas produced is collected over water at \(25\ ^{\circ}\text{C}\), where the total pressure is \(760\ \text{mm\,Hg}\) and the vapour pressure of water is \(23.8\ \text{mm\,Hg}\). The volume of gas collected is \(0.250\ \text{L}\). Determine the percentage of the magnesium that actually reacted.
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About This Question
This is Igcse Model Questions Vol1 2022 Chemistry Question 17. It is one of the objective questions from the 2022 Igcse Model Questions Vol1 Chemistry examination.
Difficulty level: Medium .
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