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

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Question 66

A technician mixes two portions of potassium chloride solution to make one solution. The table shows the volume and concentration of each portion.

PortionVolume of solution (dm3\text{dm}^3dm3)Concentration (g/dm3\text{g/dm}^3g/dm3)
A0.3012
B0.2022

Calculate the concentration of potassium chloride in the mixture.

Give your answer in g/dm3\text{g/dm}^3g/dm3.

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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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