A student dissolves 3.0 g of calcium nitrate in water and makes the solution up to a total volume of 250 cm3.
What is the concentration of the calcium nitrate solution?
0.012 g/dm30.012\ \text{g/dm}^30.012 g/dm3
12 g/dm312\ \text{g/dm}^312 g/dm3
750 g/dm3750\ \text{g/dm}^3750 g/dm3
0.75 g/dm30.75\ \text{g/dm}^30.75 g/dm3
131 exam-style questions on AQA GCSE Chemistry 3.2 Use of amount of substance in relation to masses of pure substances, covering 3.2.1 Moles, 3.2.2 Amounts of substances in equations, 3.2.3 Using moles to balance equations, 3.2.4 Limiting reactants, 3.2.5a Concentration of solutions, and 3.2.5b Relating mass, volume and concentration. Each one has a worked solution and a mark scheme showing where the marks go.