Chemical
Equations &
Reacting Masses
This AQA 3.1.2 section focuses on using balanced equations quantitatively. These pages cover writing chemical equations, ionic equations and using reacting masses with mole ratios from balanced equations.
Revision Notes
3 revision notes, in the order the specification teaches them.
Writing Chemical Equations
Writing balanced full chemical equations for reactions studied and unfamiliar reactions where reactants and products are specified.
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Ionic Equations
Writing ionic equations by removing spectator ions and representing the species that change during a reaction.
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Calculations Using Reacting Masses
Using balanced equations, amount of substance and molar ratios to calculate masses in chemical reactions.
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Summary map
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Equations and Reacting Masses Map
AQA A-level Chemistry · 3.1.2 Amount of substance: equations and reacting masses
Balancing full equations, unfamiliar reactions, ionic equations, the halide and sulfate tests and reacting masses on one A4 page.
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Revision Game
Match reagents to products, with your board's reagents and conditions.
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Specification
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3.1.2.2
3.1.2.5
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