A quality control chemist prepared a calibration standard of magnesium sulfate by dissolving 15.4 g of anhydrous magnesium sulfate in deionised water to make a total volume of 650 cm3 of solution.
Calculate the concentration of this magnesium sulfate solution in g dm−3\text{g dm}^{-3}g dm−3.
Give your answer to three significant figures.
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.