A-LevelChemistryAtoms, molecules and stoichiometryFeb/Mar 2025Paper 1 Q81 Mark
An excess of zinc reacts with x cm³ of 2.00 mol dm⁻³ hydrochloric acid. The gas produced is dried and collected. The gas occupies 1.534 dm³ at 101000 Pa and 293 K. The gas produced behaves as an ideal gas. What is the value of x?
A31.8 cm³
B34.7 cm³
C63.6 cm³
D69.4 cm³
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The correct answer is C. This question tests the candidate's understanding of atoms, molecules and stoichiometry within the Chemistrysyllabus. The examiner's mark scheme requires...
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