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Which of the Following Reduces the Solubility of Calcium Fluoride

Question 98

Multiple Choice

Which of the following reduces the solubility of calcium fluoride?


A) presence of "uncommon ions" such as Na+ and Cl-
B) formation of the ion-pair CaF+
C) formation of the complex ion CaF42-
D) decreasing the pH
E) cooling the solution

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