IGCSEChemistryOxford AQARevision NotesQuantitative ChemistryUsing Molar Concentrations of Solutions & Amount of Substance In Relation to Volumes of GasesTitrations

Titrations (Oxford AQA IGCSE Chemistry)

Revision Note

Philippa Platt

Expertise

Chemistry

Performing a Titration

What are titrations used for?

  • Titrations are a method of analysing the concentration of solutions or for preparing soluble salts

  • They can determine exactly how much alkali is needed to neutralise a quantity of acid – and vice versa

  • Indicators are used to show the endpoint in a titration

Table of common indicators

Indicator

Colour in acid

Colour in alkali

Colour when neutral

phenolphthalein

pink

colourless

colourless

methyl orange

red

yellow

orange

Exam Tip

You will only be assessed on titrations involving the following strong acids:

  • hydrochloric acid, HCl

  • sulfuric acid. H2SO4

  • nitric acid, HNO3

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    Philippa Platt

    Author: Philippa Platt

    Philippa has worked as a GCSE and A level chemistry teacher and tutor for over thirteen years. She studied chemistry and sport science at Loughborough University graduating in 2007 having also completed her PGCE in science. Throughout her time as a teacher she was incharge of a boarding house for five years and coached many teams in a variety of sports. When not producing resources with the chemistry team, Philippa enjoys being active outside with her young family and is a very keen gardener