A hydroponic nutrient solution contains potassium nitrate.
350 cm3350\text{ cm}^3350 cm3 of this nutrient solution contains 1.26 g1.26\text{ g}1.26 g of potassium nitrate.
Calculate the mass, in grams, of potassium nitrate in 2.5 dm32.5\text{ dm}^32.5 dm3 of this nutrient solution.
38 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 (HT only), 3.2.2 Amounts of substances in equations (HT only), 3.2.3 Using moles to balance equations (HT only), 3.2.4 Limiting reactants (HT only), and 3.2.5 Concentration of solutions. Each one has a worked solution and a mark scheme showing where the marks go.