A-LevelChemistryAtoms, molecules and stoichiometry9701/12 · Feb/Mar 2023 · Q211 Mark

A sample containing 0.010 mol of anhydrous calcium nitrate is heated strongly until it fully decomposes. All the gas produced is collected and its volume measured at room conditions. What is the volume of gas produced?

A120 cm³

B600 cm³

C720 cm³

D840 cm³

✓ Correct answer

B: 600 cm³

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Topic: Atoms, molecules and stoichiometry, A-Level Chemistry (syllabus 9701). Multiple choice, 1 mark.
Source: A-Level Chemistry, Feb/Mar 2023 Paper 1 Variant 2, question 21.

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