A copper(II) sulfate solution is prepared by dissolving 15.6 g of copper(II) sulfate in water to make 400 cm3 of solution.
Calculate the concentration of the solution in g dm−3\text{g dm}^{-3}g dm−3.
258 exam-style questions on Edexcel GCSE Chemistry Calculations involving masses. Each one has a worked solution and a mark scheme showing where the marks go.