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Question bank·3.2 Use of amount of substance in relation to masses of pure substances

3.2 Use of amount of substance in relation to masses of pure substances

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Question 19

A technician transfers 250 cm³ of potassium bromide solution with a concentration of 32 g/dm³ into a container. Water is added until the total volume of solution is 800 cm³. The technician then removes 150 cm³ of the diluted solution.

Calculate the mass of potassium bromide in the 150 cm³ sample.

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Markscheme

3.2 Use of amount of substance in relation to masses of pure substances Questions

GCSE
Chemistry
3.2 Use of amount of substance in relation to masses of pure substances

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.