What volume of 0.100 mol/dm3 hydrochloric acid is needed to exactly neutralise 25.0 cm3 of 0.200 mol/dm3 sodium hydroxide solution? The equation is NaOH+HCl→NaCl+H2O\text{NaOH} + \text{HCl} \rightarrow \text{NaCl} + \text{H}_2\text{O}NaOH+HCl→NaCl+H2O.
6.25 cm36.25\ \text{cm}^36.25 cm3
12.5 cm312.5\ \text{cm}^312.5 cm3
25.0 cm325.0\ \text{cm}^325.0 cm3
50.0 cm350.0\ \text{cm}^350.0 cm3
40 exam-style questions on AQA GCSE Chemistry 3.4 Using concentrations of solutions in mol/dm3, covering 3.4.1 Concentration in mol/dm3. Each one has a worked solution and a mark scheme showing where the marks go.