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3.2.2 Amounts of substances in equations (HT only)
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Balanced equations are mole recipes

Balanced equations are mole recipes

A balanced chemical equation shows the ratio of moles in which substances react. The large balancing numbers in front of formulae are called stoichiometric coefficients. The relationship between these coefficients, such as 2:1:22:1:22:1:2, is the mole ratio.

3.2.2 Amounts of substances in equations (HT only) Lesson

  1. GCSE
  2. /Chemistry
  3. /3.2.2 Amounts of substances in equations (HT only)

Step-by-step lessons on AQA GCSE Chemistry 3.2.2 Amounts of substances in equations (HT only). Each one builds up to exam-style questions. Nail the core quantitative topics — moles, balancing equations and calculations — early on, since they underpin higher-tier questions across every paper and topic.

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