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O-LevelChemistryStoichiometry5070/11 · Oct/Nov 2013 · Q111 Mark

Sodium hydrogencarbonate decomposes on heating. 2NaHCO3 → Na2CO3 + H2O + CO2 In an experiment, a 5.0 mol sample of sodium hydrogencarbonate is heated. Which volume of carbon dioxide, measured at room temperature and pressure, is evolved?

A24 dm³

B36 dm³

C48 dm³

D60 dm³

✓ Correct answer

D: 60 dm³

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About this question

Topic: Stoichiometry, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, Oct/Nov 2013 Paper 1 Variant 1, question 11.

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