AQA GCSE Chemistry

Revision Notes

4.2.8 Titrations

Performing a Titration

  • Titrations are a method of analysing the concentration of solutions
  • Acid-base titrations are one of the most important kinds of titrations
  • They can determine exactly how much alkali is needed to neutralise a quantity of acid – and vice versa
  • You may be asked to calculate the moles present in a given amount, the concentration or volume required to neutralise an acid or a base
  • Titrations can also be used to prepare salts or other precipitates and in redox reactions
  • Indicators are used to show the endpoint in a titration
  • Wide range indicators such as litmus are not suitable for a titration as they do not give a sharp enough colour change at the end point
  • Some of the most common indicators with their corresponding colours are shown below

Common Indicators & Their Corresponding Colours Table

Common Indicators & Their Colours Table, downloadable IGCSE & GCSE Chemistry revision notes

Author: Francesca

Fran has taught A level Chemistry in the UK for over 10 years. As head of science, she used her passion for education to drive improvement for staff and students, supporting them to achieve their full potential. Fran has also co-written science textbooks and worked as an examiner for UK exam boards.

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