Skip to content
Try on iPad

Use of amount of substance in relation to masses of pure substances: AQA GCSE Combined Science questions

Every AQA GCSE Combined Science exam question on 5.3.2 Use of amount of substance in relation to masses of pure substances, 2018–2025, with its mark scheme and examiner’s report.

Find questions3,069
Calculations

3,069 questions

  1. Q01.4

    June 2025 · Chemistry Paper 1 Higher

    3 marks5.3.2 Use of amount of substance in relation to masses of pure substances
    The whole paper ↗
    June 2025 Chemistry Paper 1 Higher, question 01.4: 25 cm3 of the solution of copper chloride contained 5.5 g of copper chloride. Calculate the concentration of the solution in g/dm3. 1 dm3 = 1000 cm3 [3 marks] C

  2. Q06.4

    June 2025 · Chemistry Paper 1 Foundation

    3 marks5.3.2 Use of amount of substance in relation to masses of pure substances
    The whole paper ↗
    June 2025 Chemistry Paper 1 Foundation, question 06.4: 25 cm3 of the solution of copper chloride contained 5.5 g of copper chloride. Calculate the concentration of the solution in g/dm3. 1 dm3 = 1000 cm3 [3 marks] C

  3. Q06.1

    June 2025 · Chemistry Paper 2 Higher

    5 marks5.3.2 Use of amount of substance in relation to masses of pure substances5.10.1 Using the Earth's resources and obtaining potable water
    The whole paper ↗
    June 2025 Chemistry Paper 2 Higher, question 06.1: In one year, a manufacturer sold 2.48 million of this type of smartphone. Calculate the total mass of gold contained in 2.48 million of these smartphones. Give

  4. Q06.2

    June 2025 · Chemistry Paper 2 Higher

    1 mark5.3.2 Use of amount of substance in relation to masses of pure substances5.10.1 Using the Earth's resources and obtaining potable water
    The whole paper ↗
    June 2025 Chemistry Paper 2 Higher, question 06.2: What is the total number of gold atoms in one of this type of smartphone? The Avogadro constant = 6.02 × 1023 per mole [1 mark] Tick () one box. 2.87 × 10–28 1

  5. Q04.5

    June 2024 · Chemistry Paper 1 Higher

    1 mark5.3.2 Use of amount of substance in relation to masses of pure substances
    The whole paper ↗
    June 2024 Chemistry Paper 1 Higher, question 04.5: What is the ratio of the number of moles of magnesium carbonate to the number of moles of nitric acid in the reaction? [1 mark] Tick () one box. 1 : 1 1 : 2 2

  6. Q04.6

    June 2024 · Chemistry Paper 1 Higher

    1 mark5.3.2 Use of amount of substance in relation to masses of pure substances5.4.2 Reactions of acids
    The whole paper ↗
    June 2024 Chemistry Paper 1 Higher, question 04.6: A student mixed some magnesium carbonate with excess nitric acid. The student then added two drops of universal indicator to the solution. What colour was the s

  7. Q05.2

    June 2024 · Chemistry Paper 1 Higher

    4 marks5.3.1 Chemical measurements, conservation of mass and the quantitative interpretation of chemical equations5.3.2 Use of amount of substance in relation to masses of pure substances
    The whole paper ↗
    June 2024 Chemistry Paper 1 Higher, question 05.2: The equation for the reaction between nitrogen and hydrogen to produce ammonia is: N2 + 3 H2 → 2 NH3 Calculate the mass of hydrogen that is needed to produce 25

  8. Q08.3

    June 2024 · Chemistry Paper 1 Higher

    2 marks5.2.3 Structure and bonding of carbon5.3.2 Use of amount of substance in relation to masses of pure substances
    The whole paper ↗
    June 2024 Chemistry Paper 1 Higher, question 08.3: A nanotube contains 2380 carbon atoms. Calculate the number of moles of carbon in this nanotube. The Avogadro constant is 6.02 × 1023 per mole. [2 marks] Number

  9. Q05.6

    June 2024 · Chemistry Paper 1 Foundation

    3 marks5.3.2 Use of amount of substance in relation to masses of pure substances
    The whole paper ↗
    June 2024 Chemistry Paper 1 Foundation, question 05.6: The student used 30 cm3 of magnesium chloride solution. 1 dm3 of magnesium chloride solution contains 180 g of magnesium chloride. 1 dm3 = 1000 cm3 Calculate th

  10. Q01.3

    June 2023 · Chemistry Paper 1 Higher

    1 mark5.3.2 Use of amount of substance in relation to masses of pure substances
    The whole paper ↗
    June 2023 Chemistry Paper 1 Higher, question 01.3: How does the solubility of carbon dioxide change as the temperature of the water increases? [1 mark] Tick () one box. The solubility decreases The solubility d

  11. Q01.4

    June 2023 · Chemistry Paper 1 Higher

    1 mark5.3.2 Use of amount of substance in relation to masses of pure substances5.4.2 Reactions of acids
    The whole paper ↗
    June 2023 Chemistry Paper 1 Higher, question 01.4: Carbon dioxide dissolves in water to form an acidic solution. How does the pH of the solution change as the temperature of the water increases? Use Figure 1. [1

  12. Q02.4

    June 2023 · Chemistry Paper 1 Higher

    3 marks5.3.2 Use of amount of substance in relation to masses of pure substances
    The whole paper ↗
    June 2023 Chemistry Paper 1 Higher, question 02.4: A solution of lithium sulfate contains 0.30 g of lithium sulfate in 25 cm3. Calculate the concentration of lithium sulfate in g/dm3. [3 marks] Concentration = g

  13. Q06.3

    June 2023 · Chemistry Paper 1 Higher

    6 marks5.3.1 Chemical measurements, conservation of mass and the quantitative interpretation of chemical equations5.3.2 Use of amount of substance in relation to masses of pure substances
    The whole paper ↗
    June 2023 Chemistry Paper 1 Higher, question 06.3: 0.72 g of magnesium is added to 100 cm3 of hydrochloric acid. The hydrochloric acid is in excess. Calculate the concentration of the magnesium chloride (MgCl2)

  14. Q06.3

    June 2023 · Chemistry Paper 1 Foundation

    1 mark5.3.2 Use of amount of substance in relation to masses of pure substances
    The whole paper ↗
    June 2023 Chemistry Paper 1 Foundation, question 06.3: How does the solubility of carbon dioxide change as the temperature of the water increases? [1 mark] Tick () one box. The solubility decreases The solubility d

  15. Q06.4

    June 2023 · Chemistry Paper 1 Foundation

    1 mark5.3.2 Use of amount of substance in relation to masses of pure substances5.4.2 Reactions of acids
    The whole paper ↗
    June 2023 Chemistry Paper 1 Foundation, question 06.4: Carbon dioxide dissolves in water to form an acidic solution. How does the pH of the solution change as the temperature of the water increases? Use Figure 14. [

  16. Q07.4

    June 2023 · Chemistry Paper 1 Foundation

    3 marks5.3.2 Use of amount of substance in relation to masses of pure substances
    The whole paper ↗
    June 2023 Chemistry Paper 1 Foundation, question 07.4: A solution of lithium sulfate contains 0.30 g of lithium sulfate in 25 cm3. Calculate the concentration of lithium sulfate in g/dm3. [3 marks] Concentration = g

  17. Q02.5

    June 2022 · Chemistry Paper 1 Higher

    3 marks5.3.2 Use of amount of substance in relation to masses of pure substances5.4.3 Electrolysis
    The whole paper ↗
    June 2022 Chemistry Paper 1 Higher, question 02.5: The potassium sulfate solution has 0.86 g of potassium sulfate dissolved in 25 cm3 of water. Calculate the mass of potassium sulfate needed to make 1.0 dm3 of s

  18. Q07.4

    June 2022 · Chemistry Paper 1 Higher

    6 marks5.3.2 Use of amount of substance in relation to masses of pure substances
    The whole paper ↗
    June 2022 Chemistry Paper 1 Higher, question 07.4: 108 g of aluminum reacts with 1.21 kg of copper chloride to produce copper. The equation for the reaction is: 2 Al + 3 CuCl2 → 3 Cu + 2 AlCl3 Calculate the maxi

  19. Q06.5

    June 2022 · Chemistry Paper 1 Foundation

    3 marks5.3.2 Use of amount of substance in relation to masses of pure substances5.4.3 Electrolysis
    The whole paper ↗
    June 2022 Chemistry Paper 1 Foundation, question 06.5: The potassium sulfate solution has 0.86 g of potassium sulfate dissolved in 25 cm3 of water. Calculate the mass of potassium sulfate needed to make 1.0 dm3 of s

  20. Q02.3

    June 2022 · Chemistry Paper 2 Higher

    3 marks5.3.2 Use of amount of substance in relation to masses of pure substances
    The whole paper ↗
    June 2022 Chemistry Paper 2 Higher, question 02.3: The salty water contains sodium chloride. The scientist collected 2.40 g of sodium chloride from 150 cm3 of salty water. Calculate the concentration of sodium c
All 43 questions on Use of amount of substance in relation to masses of pure substances, as a list
  1. June 2025, Chemistry Paper 1 Higher, Q01.4 (3 marks): 25 cm3 of the solution of copper chloride contained 5.5 g of copper chloride. Calculate the concentration of the solution in g/dm3. 1 dm3 = 1000 cm3 [3 marks] C
  2. June 2025, Chemistry Paper 1 Foundation, Q06.4 (3 marks): 25 cm3 of the solution of copper chloride contained 5.5 g of copper chloride. Calculate the concentration of the solution in g/dm3. 1 dm3 = 1000 cm3 [3 marks] C
  3. June 2025, Chemistry Paper 2 Higher, Q06.1 (5 marks): In one year, a manufacturer sold 2.48 million of this type of smartphone. Calculate the total mass of gold contained in 2.48 million of these smartphones. Give
  4. June 2025, Chemistry Paper 2 Higher, Q06.2 (1 mark): What is the total number of gold atoms in one of this type of smartphone? The Avogadro constant = 6.02 × 1023 per mole [1 mark] Tick () one box. 2.87 × 10–28 1
  5. June 2024, Chemistry Paper 1 Higher, Q04.5 (1 mark): What is the ratio of the number of moles of magnesium carbonate to the number of moles of nitric acid in the reaction? [1 mark] Tick () one box. 1 : 1 1 : 2 2
  6. June 2024, Chemistry Paper 1 Higher, Q04.6 (1 mark): A student mixed some magnesium carbonate with excess nitric acid. The student then added two drops of universal indicator to the solution. What colour was the s
  7. June 2024, Chemistry Paper 1 Higher, Q05.2 (4 marks): The equation for the reaction between nitrogen and hydrogen to produce ammonia is: N2 + 3 H2 → 2 NH3 Calculate the mass of hydrogen that is needed to produce 25
  8. June 2024, Chemistry Paper 1 Higher, Q08.3 (2 marks): A nanotube contains 2380 carbon atoms. Calculate the number of moles of carbon in this nanotube. The Avogadro constant is 6.02 × 1023 per mole. [2 marks] Number
  9. June 2024, Chemistry Paper 1 Foundation, Q05.6 (3 marks): The student used 30 cm3 of magnesium chloride solution. 1 dm3 of magnesium chloride solution contains 180 g of magnesium chloride. 1 dm3 = 1000 cm3 Calculate th
  10. June 2023, Chemistry Paper 1 Higher, Q01.3 (1 mark): How does the solubility of carbon dioxide change as the temperature of the water increases? [1 mark] Tick () one box. The solubility decreases The solubility d
  11. June 2023, Chemistry Paper 1 Higher, Q01.4 (1 mark): Carbon dioxide dissolves in water to form an acidic solution. How does the pH of the solution change as the temperature of the water increases? Use Figure 1. [1
  12. June 2023, Chemistry Paper 1 Higher, Q02.4 (3 marks): A solution of lithium sulfate contains 0.30 g of lithium sulfate in 25 cm3. Calculate the concentration of lithium sulfate in g/dm3. [3 marks] Concentration = g
  13. June 2023, Chemistry Paper 1 Higher, Q06.3 (6 marks): 0.72 g of magnesium is added to 100 cm3 of hydrochloric acid. The hydrochloric acid is in excess. Calculate the concentration of the magnesium chloride (MgCl2)
  14. June 2023, Chemistry Paper 1 Foundation, Q06.3 (1 mark): How does the solubility of carbon dioxide change as the temperature of the water increases? [1 mark] Tick () one box. The solubility decreases The solubility d
  15. June 2023, Chemistry Paper 1 Foundation, Q06.4 (1 mark): Carbon dioxide dissolves in water to form an acidic solution. How does the pH of the solution change as the temperature of the water increases? Use Figure 14. [
  16. June 2023, Chemistry Paper 1 Foundation, Q07.4 (3 marks): A solution of lithium sulfate contains 0.30 g of lithium sulfate in 25 cm3. Calculate the concentration of lithium sulfate in g/dm3. [3 marks] Concentration = g
  17. June 2022, Chemistry Paper 1 Higher, Q02.5 (3 marks): The potassium sulfate solution has 0.86 g of potassium sulfate dissolved in 25 cm3 of water. Calculate the mass of potassium sulfate needed to make 1.0 dm3 of s
  18. June 2022, Chemistry Paper 1 Higher, Q07.4 (6 marks): 108 g of aluminum reacts with 1.21 kg of copper chloride to produce copper. The equation for the reaction is: 2 Al + 3 CuCl2 → 3 Cu + 2 AlCl3 Calculate the maxi
  19. June 2022, Chemistry Paper 1 Foundation, Q06.5 (3 marks): The potassium sulfate solution has 0.86 g of potassium sulfate dissolved in 25 cm3 of water. Calculate the mass of potassium sulfate needed to make 1.0 dm3 of s
  20. June 2022, Chemistry Paper 2 Higher, Q02.3 (3 marks): The salty water contains sodium chloride. The scientist collected 2.40 g of sodium chloride from 150 cm3 of salty water. Calculate the concentration of sodium c
  21. June 2022, Chemistry Paper 2 Foundation, Q07.3 (3 marks): The salty water contains sodium chloride. The scientist collected 2.40 g of sodium chloride from 150 cm3 of salty water. Calculate the concentration of sodium c
  22. November 2021, Chemistry Paper 1 Foundation, Q02.6 (2 marks): 500 cm3 of copper chloride solution contains 6.50 g of copper chloride. Calculate the mass of copper chloride in 40.0 cm3 of this copper chloride solution. [2 m
  23. November 2020, Chemistry Paper 1 Higher, Q04.3 (1 mark): How could the student know when all the hydrochloric acid has reacted? [1 mark]
  24. November 2020, Chemistry Paper 1 Higher, Q05.7 (4 marks): A copper sulfate solution contained 0.100 moles of copper sulfate dissolved in 0.500 dm3 of water. Calculate the mass of copper sulfate in 30.0 cm3 of this solu
  25. November 2020, Chemistry Paper 1 Higher, Q06.3 (5 marks): Gold reacts with the elements in Group 7 of the periodic table. 0.175 g of gold reacts with chlorine. The equation for the reaction is: 2 Au + 3 Cl2 → 2 AuCl3 C
  26. November 2020, Chemistry Paper 1 Foundation, Q02.7 (2 marks): 100 cm3 of the copper sulfate solution contains 1.8 g of copper sulfate. Calculate the mass of copper sulfate in 25 cm3 of this copper sulfate solution. [2 mark
  27. November 2020, Chemistry Paper 2 Higher, Q04.5 (4 marks): Water companies measure the volume of water used by households in cubic metres (m3). 25 cm3 of a different water sample contained 0.016 g of dissolved solids. C
  28. November 2020, Chemistry Paper 2 Foundation, Q03.9 (2 marks): A different water sample contains 3.6 g of dissolved solids in 150 cm3 Calculate the mass of dissolved solids in 25 cm3 of this sample. [2 marks] Mass = g
  29. June 2019, Chemistry Paper 1 Higher, Q01.5 (3 marks): A solution of hydrochloric acid contains 3.2 g of hydrogen chloride in 50 cm3 Calculate the concentration of hydrogen chloride in g per dm3 [3 marks] Concentrat
  30. June 2019, Chemistry Paper 1 Higher, Q04.6 (2 marks): How many atoms are there in 1 g of argon? The Avogadro constant is 6.02 × 1023 per mole. Relative atomic mass (Ar): Ar = 40 [2 marks] Number of atoms in 1 g =
  31. June 2019, Chemistry Paper 1 Foundation, Q06.5 (3 marks): A solution of hydrochloric acid contains 3.2 g of hydrogen chloride in 50 cm3 Calculate the concentration of hydrogen chloride in g per dm3 [3 marks] Concentrat
  32. June 2019, Chemistry Paper 2 Higher, Q01.4 (4 marks): A sample of river water contains 125 mg per dm3 of dissolved solids. Calculate the mass of dissolved solids in grams in 250 cm3 of this sample of river water. G
  33. June 2019, Chemistry Paper 2 Higher, Q04.2 (3 marks): Another method of extracting copper from low-grade ores is bioleaching. A solution of copper sulfate (CuSO4) produced by bioleaching has a concentration of 0.31
  34. June 2019, Chemistry Paper 2 Higher, Q05.5 (3 marks): Explain why the rate of this reaction changes. Give your answer in terms of collision theory. [3 marks]
  35. June 2019, Chemistry Paper 2 Higher, Q06.3 (4 marks): Sulfur dioxide is an atmospheric pollutant. Sulfur dioxide pollution is reduced by reacting calcium oxide with sulfur dioxide to produce calcium sulfite. CaO +
  36. June 2018, Chemistry Paper 1 Higher, Q01.5 (3 marks): The copper chloride solution used in the investigation contained 300 grams per dm3 of solid CuCl2 dissolved in 1 dm3 of water. The student used 50 cm3 of copper
  37. June 2018, Chemistry Paper 1 Higher, Q06.3 (3 marks): Calculate the gradient of the line in Figure 8 Give the unit. [3 marks] Gradient Unit
  38. June 2018, Chemistry Paper 1 Higher, Q06.4 (4 marks): 24 dm3 of gas is produced when one mole of a Group 2 carbonate is heated. Determine the relative formula mass of the Group 2 carbonate W. Use Figure 8 [4 marks]
  39. June 2018, Chemistry Paper 1 Higher, Q08.3 (5 marks): 0.120 g of magnesium reacts with excess iron chloride solution. Relative atomic masses (Ar): Mg = 24 Fe = 56 Calculate the mass of iron produced, in mg [5 marks
  40. June 2018, Chemistry Paper 1 Foundation, Q04.6 (2 marks): Calculate the mass of the Group 2 carbonate needed to produce 24 dm3 of gas. Use your answer from question 04.5 to help you. [2 marks] Mass = g
  41. June 2018, Chemistry Paper 1 Foundation, Q05.5 (3 marks): The copper chloride solution used in the investigation contained 300 grams per dm3 of solid CuCl2 dissolved in 1 dm3 of water. The students used 50 cm3 of coppe
  42. June 2018, Chemistry Paper 2 Higher, Q04.2 (4 marks): A bag of fertiliser contains 14.52 kg of ammonium nitrate (NH4NO3). Relative formula mass (Mr): NH4NO3 = 80 Calculate the number of moles of ammonium nitrate in
  43. June 2018, Chemistry Paper 2 Higher, Q05.6 (1 mark): Suggest why all three sizes of marble chips produce a maximum volume of 60 cm3 of gas. [1 mark]

Questions, mark schemes and examiner’s reports are © AQA, from their published past papers. Plumi isn’t affiliated with any exam board. Want whole papers? Full past papers.

Rather write your answers by hand on iPad? Plumi marks them against the same mark schemes.