In a marine biology laboratory, a standard salt solution is prepared by dissolving 78.4 g of sodium chloride to make 1600 cm3 of solution.
Calculate the concentration of this 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.