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

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Question 29

A technician has two solution samples, A and B. The table gives data for each sample.

SampleConcentration (g/dm3\text{g}/\text{dm}^3g/dm3)Volume (cm3\text{cm}^3cm3)Relative formula mass (MrM_rMr​) of the solute
A20300100
B1550075

Calculate the amount of solute, in mol, in each sample.

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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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