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

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Question 30

A technician is making a copper sulfate solution. The finished solution must have a volume of 400 cm3 and a concentration of 25 g/dm3. The technician has already dissolved 7.0 g of copper sulfate.

Calculate the additional mass of copper sulfate the technician needs to dissolve.

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

  1. GCSE
  2. /Chemistry
  3. /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.

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