Year 12 Chemistry

Module 6 | Acid/base reactions

Content 3: Quantitative analysis

Lesson 1 | Titrations

• conduct practical investigations to analyse the concentration of an unknown acid or base by titration

Lesson 2 | Titration curves

• investigate titration curves and conductivity graphs to analyse data to indicate characteristic reaction profiles, for example:
  – strong acid/strong base
  – strong acid/weak base
  – weak acid/strong base (ACSCH080, ACSCH102)

• model neutralisation of strong and weak acids and bases using a variety of media

Lesson 3 | Modelling neutralisation

• model neutralisation of strong and weak acids and bases using a variety of media

Lesson 4 | Dissociation constants of acids

• calculate and apply the dissociation constant (K_a) and pK_a (pK_a = -log₁₀ (K_a)) to determine the difference between strong and weak acids

Lesson 5 | Acid/base analysis techniques

• explore acid/base analysis techniques that are applied:

  – in industries

  – by Aboriginal and Torres Strait Islander Peoples

  – using digital probes and instruments

Lesson 6 | Preparation of a buffer

• conduct a chemical analysis of a common household substance for its acidity or basicity (ACSCH080), for example:
  – soft drink
  – wine
  – juice
  – medicine

• conduct a practical investigation to prepare a buffer and demonstrate its properties (ACSCH080)

Lesson 7 | Buffers in natural systems

• describe the importance of buffers in natural systems (ACSCH098, ACSCH102)

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