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A-LevelChemistryAtoms, molecules and stoichiometry9701/12 · Feb/Mar 2024 · Q31 Mark

Which sodium compound contains 74.2% by mass of sodium?

Asodium carbonate
Bsodium chloride
Csodium hydroxide
Dsodium oxide

✓ Correct answer

D: sodium oxide

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Topic
Atoms, molecules and stoichiometry, A-Level Chemistry (syllabus 9701). Multiple choice, 1 mark.
Source
A-Level Chemistry, Feb/Mar 2024 Paper 1 Variant 2, question 3.

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