Learning objective

Describe the reaction between sodium thiosulfate solution and hydrochloric acid as a practical method for investigating rate. (AT 1, AT 3, AT 5, AT 6)

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At a glance

Flashcards

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Topic

Rate of reaction

Subtopic

Factors which affect rates of chemical reactions

AQA GCSE ChemistryThe rate and extent of chemical change

Study support

Understand this objective

Short explanation

Describe the reaction between sodium thiosulfate solution and hydrochloric acid as a practical method for investigating rate. (AT 1, AT 3, AT 5, AT 6). This objective belongs to Factors which affect rates of chemical reactions within Rate of reaction for AQA GCSE Chemistry 8462. A strong answer should use AT 1 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

sodium thiosulfatehydrochloric acid

Why it matters

This objective helps connect Factors which affect rates of chemical reactions to exam-style questions, flashcards, and revision notes for Rate of reaction.

Common mistakes

1 linked

Misunderstanding the Reaction Process: To fix this, students should observe the reaction carefully and note the time taken for the solution to become opaque, understanding that this gradual change is a key indicator of the reaction rate.

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