O-LevelChemistryStoichiometry5070/12 · May/June 2022 · Q141 Mark

What contains the greatest mass of solute?

A100 cm³ of 1.00 mol/dm³ sodium hydroxide, NaOH

B500 cm³ of 0.05 mol/dm³ sulfuric acid, H₂SO₄

C1.00 dm³ of 0.10 mol/dm³ potassium hydroxide, KOH

D2.00 dm³ of 0.01 mol/dm³ hydrochloric acid, HCl

✓ Correct answer

C: 1.00 dm³ of 0.10 mol/dm³ potassium hydroxide, KOH

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Topic: Stoichiometry, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, May/June 2022 Paper 1 Variant 2, question 14.

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