A-LevelChemistryAtoms, molecules and stoichiometry9701/12 · Feb/Mar 2019 · Q151 Mark

When calcium nitrate thermally decomposes, oxygen is one of the products. Which volume of oxygen is produced under room conditions when 0.50 mol of calcium nitrate thermally decomposes?

A6.0 dm³

B12.0 dm³

C18.0 dm³

D30.0 dm³

✓ Correct answer

A: 6.0 dm³

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Topic: Atoms, molecules and stoichiometry, A-Level Chemistry (syllabus 9701). Multiple choice, 1 mark.
Source: A-Level Chemistry, Feb/Mar 2019 Paper 1 Variant 2, question 15.

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