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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 5

All acids show similar acidic properties in aqueous solution due to the presence of a specific ion.

a.

State the chemical formula of the ion responsible for these acidic properties.

[1]
b.

A technician prepares a standard solution of sulfuric acid (H2SO4\text{H}_2\text{SO}_4H2​SO4​) with a concentration of 49.0 g/dm3. Calculate the mass of H2SO4\text{H}_2\text{SO}_4H2​SO4​ present in 220 cm3 of this solution.

[2]
Markscheme

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

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.

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