IGCSEScienceOxford AQACombined Science Double AwardChemistryRevision NotesQuantitative ChemistryUsing Molar Concentrations of Solutions & Amount of Substance in Relation to Volumes of GasesTitrations

Titrations (Oxford AQA IGCSE Combined Science Double Award)

Revision Note

Philippa Platt

Written by: Philippa Platt

Reviewed by: Stewart Hird

Oxford AQA Combined Science Double Award: ChemistryOxford AQA 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

Examiner Tips and Tricks

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

    Expertise: Chemistry

    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

    Stewart Hird

    Author: Stewart Hird

    Expertise: Chemistry Lead

    Stewart has been an enthusiastic GCSE, IGCSE, A Level and IB teacher for more than 30 years in the UK as well as overseas, and has also been an examiner for IB and A Level. As a long-standing Head of Science, Stewart brings a wealth of experience to creating Topic Questions and revision materials for Save My Exams. Stewart specialises in Chemistry, but has also taught Physics and Environmental Systems and Societies.