Skip to content

Cambridge AS & A Level Chemistry

25Equilibria

Equilibria in Cambridge AS & A Level Chemistry: what the syllabus expects you to know, the learning objectives and how to practise.
Topic106 practice questions5 lessons

In this topic

Lessons

  • Buffer solutions

    50 min

    Full access
  • pH, pOH and the ionic product of water

    45 min

    Full access
  • Solubility product and the common ion effect

    45 min

    Full access
  • Weak acids and bases: Ka, pKa, Kb and pKb

    35 min

    Full access
  • Partition coefficients and solvent extraction

    40 min

    Full access

Join to read every lesson, or see what Full access includes.

Sample question

A sample question on this topic. Answer it, check it, then read the worked answer.

Equilibria: sample question

1 mark

In an ethanoic acid–sodium ethanoate buffer, which species removes most of a small amount of added hydrochloric acid?

Choose one answer

Turn Equilibria into a strength.

Practise with instant marking, see your mastery grow and get a study plan built around your exam date.