Dilute or Concentrated Acids (WJEC GCSE Chemistry)

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Philippa Platt

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Dilute or Concentrated Acids

  • A dilute acid has the acid molecules mixed with a large amount of water
  • Concentrated acids have little to no water molecules mixed with the acid molecules

Dilute and concentrated acids

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A highly concentrated acid has a large number of acid molecules in the solution

  • Different acids can be dilute or concentrated but specific acids are strong or weak
  • For example
    • Hydrochloric acid (pH 1) is classed as a strong acid which could either be dilute or concentrated
    • Ethanoic acid (pH 3) is classed as a weak acid which again could either be dilute or concentrated

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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.