O-LevelChemistryStoichiometry5070/12 · May/June 2015 · Q101 Mark

Using the Periodic Table for the relative atomic masses, which has the greatest mass?

A0.1 moles of iodine molecules, I₂

B0.5 moles of carbon dioxide, CO₂

C1.0 mole of beryllium oxide, BeO

D1.0 mole of sodium, Na

✓ Correct answer

A: 0.1 moles of iodine molecules, I₂

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Topic: Stoichiometry, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, May/June 2015 Paper 1 Variant 2, question 10.

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