AP Chemistry Flashcards: Common Ion Effect

Study Common Ion Effect in AP Chemistry with focused flashcards that help you recognize the idea, recall the key rule, and apply it in practice-style prompts.

QUESTION

For $CaF_2(s)$ , what happens to solubility when $NaF(aq)$ is added?

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ANSWER

Solubility decreases (common ion $F^-$ ). Added fluoride shifts dissolution equilibrium left.

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What this deck covers

This deck focuses on Common Ion Effect, giving you a quick way to review the definitions, rules, and examples that matter most for AP Chemistry.

How to use these flashcards

Work through these flashcards in short sessions. Try to answer each prompt before flipping the card, then revisit any cards you miss until the explanation feels automatic.

Practice questions

1 of 37Practice questions for this set

A saturated solution of

\text{CaF}_2(s)

is at equilibrium:

\text{CaF}_2(s) \rightleftharpoons \text{Ca}^{2+}(aq)+2\text{F}^-(aq)

. A soluble fluoride salt is added, increasing

[\text{F}^-]

. At constant temperature, what happens to the amount of

\text{CaF}_2(s)

that can dissolve?

Choose an answer

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