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Learning objective

Distinguish acid strength from concentration.

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Topic

Acids and bases (A-level only)

Subtopic

Brønsted-Lowry acids and bases (A-level only)

Aqa A Level ChemistryPhysical chemistry

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Quick explanation

Distinguish acid strength from concentration

  • This point belongs to Acids and bases (A-level only), especially Brønsted-Lowry acids and bases (A-level only).
  • You need to be able to distinguish acid strength from concentration.
  • The key ideas to know are from, acid, and concentration.
  • Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

Key concepts

fromacidconcentrationdistinguishstrength

Why it matters

This objective helps connect Brønsted-Lowry acids and bases (A-level only) to exam-style questions, flashcards, and revision notes for Acids and bases (A-level only).

Quick student answer

Which of the following statements correctly distinguishes between acid strength and acid concentration?

Direct answer

A strong acid completely dissociates in solution, while a concentrated acid has a high amount of solute.

Key terms

  • Acid Strength: The ability of an acid to donate protons (H+) to a base, determined by the extent of dissociation in solution.
  • Acid Concentration: The amount of acid present in a given volume of solution, typically expressed in mol/dm³.

Common trap

Confusing acid strength with concentration: Remember that strength refers to the degree of ionization, while concentration refers to the amount of acid in solution.

Related questions

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Question 1

Which of the following statements correctly distinguishes between acid strength and acid concentration?

Flashcard prompts

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