Year 12 Chemistry

Module 5 | Equilibrium and acid reactions

Content 4: Solution equilibria

Lesson 1 | Dissolution of ionic compounds in water

• describe and analyse the processes involved in the dissolution of ionic compounds in water

Lesson 2 | Removing toxicity from foods

• investigate the use of solubility equilibria by Aboriginal and Torres Strait Islander Peoples when removing toxicity from foods, for example:
  – toxins in cycad fruit

Lesson 3 | Determining solubility rules

• conduct an investigation to determine solubility rules, and predict and analyse the composition of substances when two ionic solutions are mixed, for example:
  – potassium chloride and silver nitrate
  – potassium iodide and lead nitrate
  – sodium sulfate and barium nitrate (ACSCH065)

Lesson 4 | The solubility product constant K_sp

• derive equilibrium expressions for saturated solutions in terms of K_sp and calculate the solubility of an ionic substance from its K_sp value

• predict the formation of a precipitate given the standard reference values for K_sp

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