Chemistry 0620 · IGCSE · The mole and the Avogadro constant

The mole and the Avogadro constant — practice question

The balanced equation for the reaction of sodium carbonate with dilute hydrochloric acid is given below. $\text{Na}_2\text{CO}_3 + 2\text{HCl} \rightarrow 2\text{NaCl} + \text{H}_2\text{O} + \text{CO}_2$ What maximum volume of carbon dioxide is formed when $26.5\,\text{g}$ of sodium carbonate reacts with dilute hydrochloric acid?

  • A$6\,\text{dm}^3$
  • B$12\,\text{dm}^3$
  • C$18\,\text{dm}^3$
  • D$24\,\text{dm}^3$

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