The figure shows the concentration, in g/dm3\text{g/dm}^3g/dm3, of four solutions of sodium chloride, A, B, C and D.
Relative formula mass (MrM_rMr): NaCl=58.5\text{NaCl} = 58.5NaCl=58.5
Figure: The concentration in g/dm3\text{g/dm}^3g/dm3 of four solutions of sodium chloride

Use the figure to determine the concentration, in g/dm3\text{g/dm}^3g/dm3, of solution C.
Calculate the concentration of solution C in mol/dm3\text{mol/dm}^3mol/dm3.
Give your answer to 3 significant figures.
Give the letter of the solution that contains the greatest amount, in mol\text{mol}mol, of sodium chloride in 1 dm3 of solution.
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.