A-LevelChemistryAtoms, molecules and stoichiometry9701/12 · Oct/Nov 2024 · Q371 Mark

A sample of propanoic acid of mass 3.70 g reacts with an excess of magnesium. A second sample of propanoic acid of mass 3.70 g reacts with an excess of sodium. Both reactions go to completion forming a gas. Which row is correct?

A560 560

B560 1120

C1120 560

D1120 1120

✓ Correct answer

A: 560 560

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Topic: Atoms, molecules and stoichiometry, A-Level Chemistry (syllabus 9701). Multiple choice, 1 mark.
Source: A-Level Chemistry, Oct/Nov 2024 Paper 1 Variant 2, question 37.

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