Chemistry 5070 · O Level · The mole and the Avogadro constant

The mole and the Avogadro constant — practice question

The equation below shows aqueous sodium hydroxide being neutralised by dilute sulfuric acid. $2\text{NaOH}(aq) + \text{H}_2\text{SO}_4(aq) \rightarrow \text{Na}_2\text{SO}_4(aq) + 2\text{H}_2\text{O}(l)$ What volume of sulfuric acid must be used to neutralise $100\,\text{cm}^3$ of $1.0\,\text{mol dm}^{-3}$ NaOH?

  • A$50\,\text{cm}^3$ of $2.0\,\text{mol dm}^{-3}$ sulfuric acid
  • B$100\,\text{cm}^3$ of $1.0\,\text{mol dm}^{-3}$ sulfuric acid
  • C$25\,\text{cm}^3$ of $0.5\,\text{mol dm}^{-3}$ sulfuric acid
  • D$50\,\text{cm}^3$ of $1.0\,\text{mol dm}^{-3}$ sulfuric acid

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