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Solubility Product · CAPE Chemistry Unit 1

36 past-paper questions on Solubility Product, part of Kinetics and Equilibria, from every CAPE Chemistry Unit 1 paper on Quelpr.

Practise Solubility Product
  1. 2(d)(i)1 mark· CAPE Chemistry Unit 1 · May/June 2019 · Paper 2Write the expression for the solubility product of calcium hydroxide.
  2. 2(d)(ii)3 marks· CAPE Chemistry Unit 1 · May/June 2019 · Paper 2Calculate the solubility of calcium hydroxide in g dm^-3 (Ksp Ca(OH)2 = 5.5 x 10^-6 mol^3 dm^-9).
  3. 2(d)(iii)5 marks· CAPE Chemistry Unit 1 · May/June 2019 · Paper 2Outline the experimental steps required to determine the solubility product of calcium hydroxide.
  4. 2(b)(i)4 marks· CAPE Chemistry Unit 1 · May/June 2025 · Paper 2Describe EACH of the following terms: Solubility product [2 marks] Common ion effect [2 marks]
  5. 2(b)(ii)3 marks· CAPE Chemistry Unit 1 · May/June 2025 · Paper 2Calcium phosphate, Ca3(PO4)2, is a water-insoluble mineral used to make commercial fertilizers. Given that the concentrations of Ca2+ and PO4^3- ions in equilibrium are 2 × 10^-8 and 1 × 10^-9 respectively, determine…
  6. 2(b)(iii)2 marks· CAPE Chemistry Unit 1 · May/June 2025 · Paper 2Write a balanced equation for the equilibrium reaction of the formation of calcium and phosphate ions from calcium phosphate.
  7. 2(c)2 marks· CAPE Chemistry Unit 1 · May/June 2025 · Paper 2Comment on the solubility of silver chloride in water compared with the solubility of silver chloride in dilute hydrochloric acid and justify the difference, if any.
  8. 2(d)5 marks· CAPE Chemistry Unit 1 · May/June 2025 · Paper 2Write the steps in an experimental procedure for the determination of the solubility product constant of barium hydroxide, Ba(OH)2.
  9. 2(a)5 marks· Chemistry · Unit 1 Q2 2(a)Describe, using FIVE essential steps, an experiment which can be used to determine the solubility product of Ca(OH)2 at room temperature.
  10. 2(a)(i)1 mark· Chemistry · Unit 1 Q2 2(a)(i)List the factor which affects the solubility product constant, Ksp.
  11. 2(a)(ii)1 mark· Chemistry · Unit 1 Q2 2(a)(ii)List ONE factor (except that in (i) above) which influences the solubility of a salt.
  12. 2(b)2 marks· Chemistry · Unit 1 Q2 2(b)Describe the 'common ion effect' as it relates to the solubility of salts.
  13. 2(b)(i)1 mark· Chemistry · Unit 1 Q2 2(b)(i)Define the term 'solubility product'.
  14. 2(b)(ii)1 mark· Chemistry · Unit 1 Q2 2(b)(ii)Write the equation for the dissociation of calcium carbonate.
  15. 2(b)(iii)2 marks· Chemistry · Unit 1 Q2 2(b)(iii)Write the solubility constant expression for calcium carbonate.
  16. 2(c)(i)2 marks· Chemistry · Unit 1 Q2 2(c)(i)Write a balanced equation for the formation of calcium and phosphate ions from calcium phosphate.
  17. 2(c)(i)2 marks· Chemistry · Unit 1 Q2 2(c)(i)Calculate the solubility of calcium carbonate (Ksp = 5.0 × 10⁻⁹ mol² dm⁻⁶ at 25°C) in pure water.
  18. 2(c)(ii)2 marks· Chemistry · Unit 1 Q2 2(c)(ii)Write the expression for the solubility product constant for calcium phosphate.
  19. 2(c)(ii)3 marks· Chemistry · Unit 1 Q2 2(c)(ii)Calculate the solubility of calcium carbonate (Ksp = 5.0 × 10⁻⁹ mol² dm⁻⁶ at 25°C) in 0.1 mol dm⁻³ Na₂CO₃ solution.
  20. 2(c)(iii)1 mark· Chemistry · Unit 1 Q2 2(c)(iii)Calculate the ionic product of calcium phosphate in the patient's urine.
  21. 2(c)(iv)1 mark· Chemistry · Unit 1 Q2 2(c)(iv)State why kidney stones are likely to form in the patient's urine.
  22. 2(d)1 mark· Chemistry · Unit 1 Q2 2(d)What is responsible for the difference between the solubilities in (c) (i) and (c) (ii) above?
  23. 2(d)5 marks· Chemistry · Unit 1 Q2 2(d)Outline an experimental procedure for the determination of the solubility product constant of barium hydroxide Ba(OH)2.
  24. 3(a)(ii)2 marks· Chemistry · Unit 1 Q3 3(a)(ii)Explain why the use of barium sulphate is acceptable in the X-ray analysis even though Ba²⁺ ions are toxic.
  25. 5(a)(i)2 marks· Chemistry · Unit 1 Q5 5(a)(i)Define the term 'solubility'.
  26. 5(a)(ii)2 marks· Chemistry · Unit 1 Q5 5(a)(ii)Define the term 'solubility product'.
  27. 5(b)(i)2 marks· Chemistry · Unit 1 Q5 5(b)(i)Calculate the solubility, in mol dm⁻³, of the lead(II) azide.
  28. 5(b)(ii)2 marks· Chemistry · Unit 1 Q5 5(b)(ii)Write the expression for the solubility product of lead(II) azide.
  29. 5(b)(iii)2 marks· Chemistry · Unit 1 Q5 5(b)(iii)Calculate the solubility product of lead(II) azide.
  30. 241 mark· Chemistry · Unit 1 Q24 24Which of the following expressions represents the solubility product of iron(III) hydroxide?
  31. 251 mark· Chemistry · Unit 1 Q25 25Which metal sulfate would precipitate out of solution if equal volumes of 10⁻³ mol dm⁻³ solution containing the sulfate ion and the Group II metal are mixed?
  32. 261 mark· Chemistry · Unit 1 Q26 26Silver chromate(VI), Ag₂CrO₄, is sparingly soluble in water. The units for the solubility product (Ksp) for silver chromate(VI) are
  33. 271 mark· Chemistry · Unit 1 Q27 27Barium carbonate is more soluble in water than in aqueous sodium carbonate because
  34. 281 mark· Chemistry · Unit 1 Q28 28Barium carbonate is more soluble in water than in aqueous sodium carbonate because
  35. 291 mark· Chemistry · Unit 1 Q29 29Marine animals such as oysters and other shellfish rely on the slow precipitation of calcium carbonate to form their shells. Which of the following properties help this process?
  36. 291 mark· Chemistry · Unit 1 Q29 29Which of the following properties help(s) this process?

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