May/June 2026 Paper 22

2026 · 40 questions · 40 parts · 40 marks

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10Gas Volume CalculationsHard1 mark
The equation for the reaction between magnesium and dilute hydrochloric acid is shown.
0.10 mol Mg is added to 100 cm of 1.0 mol / dm HCl(aq). The hydrogen produced is collected and its volume measured at room temperature and pressure. What is the maximum volume of hydrogen produced?