Chemistry · Oct / Nov 2022 · Paper 11 · Question 15
5070The mole and the Avogadro constant
250 cm³ of 1.0 mol/dm³ hydrochloric acid reacts with an excess of solid sodium carbonate. The equation is shown. 2HCl(aq) + Na₂CO₃(s) → 2NaCl(aq) + CO₂(g) + H₂O(l) What is the volume of carbon dioxide produced when measured at room temperature and pressure?
- A3.0 dm³
- B6.0 dm³
- C12 dm³
- D24 dm³
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Correct answer: A. 3.0 dm³
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