Edexcel GCSE Chemistry · 1CH0
Specification 3.1, 3.8 · Paper 1
- Revise: Ion Sources in Acids and Alkalis
- Revise: Weak vs Strong Acids
The separation of an acid into ions when it dissolves in water.
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GCSE Chemistry · key term
The separation or splitting of a substance into ions in solution.
Used by Edexcel
Specification 3.1, 3.8 · Paper 1
The separation of an acid into ions when it dissolves in water.
Define strength by the degree of dissociation, not by how corrosive an acid seems or by how much acid is present.
Use a single arrow for complete dissociation and a reversible arrow for partial dissociation.
Do not confuse the pairs: strong/weak describes dissociation, whereas concentrated/dilute describes the amount of dissolved acid per unit volume.
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