Learning objective

Explain why the insoluble solid is added in excess when preparing a soluble salt.

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At a glance

Flashcards

Questions

Topic

Reactions of acids

Subtopic

Soluble salts

AQA GCSE ChemistryChemical changes

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Understand this objective

Short explanation

Explain why the insoluble solid is added in excess when preparing a soluble salt. This objective belongs to Soluble salts within Reactions of acids for AQA GCSE Chemistry 8462. A strong answer should use soluble salt accurately, explain the chemistry behind the statement, and connect the idea back to the exact command in the objective. When revising, separate this point from neighbouring Chemistry ideas by naming the relevant particle, substance, process, calculation, observation, or structure before giving the final conclusion.

Key concepts

Insoluble solidExcess reactant

Why it matters

This objective helps connect Soluble salts to exam-style questions, flashcards, and revision notes for Reactions of acids.

Common mistakes

1 linked

Excess Solid Misunderstanding: Emphasize that the excess solid ensures that any unreacted acid is neutralised, and the remaining solid can be filtered out, leaving a pure salt solution.

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