O-LevelChemistryStoichiometry5070/12 · Oct/Nov 2018 · Q301 Mark

Iron can be extracted from the ore haematite, Fe2O3. What is the maximum mass of iron that could be produced from 500 kg of haematite? [Ar: O, 16; Fe, 56]

A160 kg

B240 kg

C350 kg

D420 kg

✓ Correct answer

C: 350 kg

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Topic: Stoichiometry, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, Oct/Nov 2018 Paper 1 Variant 2, question 30.

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