For which salt should the aqueous solubility be most sensitive to pH? A)Ca(NO₃)₂ B)CaF₂ C)CaCl₂ D)CaBr₂ E)CaI₂

Name: For which salt should the aqueous solubility be most sensitive to pH? A)Ca(NO 3 ) 2 B)CaF 2 C)CaCl 2 D)CaBr 2 E)CaI 2
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Question

Quizplus · Accepted Answer

The solubility of CaF2 is sensitive to pH because fluoride ions (F-) can react with H+ ions in solution to form HF, which is a weak acid. This shifts the equilibrium, increasing the solubility of CaF2 in acidic conditions.

For Which Salt Should the Aqueous Solubility Be Most Sensitive