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What Is the Molar Solubility of PbF2 in a Buffer

Question 78

Multiple Choice

What is the molar solubility of PbF2 in a buffer solution in which the [H+] concentration is roughly constant at 0.080 M? (Ksp of PbF2 is 3.2 *10-8; Ka of HF =6.8 * 10-4.)


A) 1.1 * 10-4
B) 3.2 *10-
C) 7.4 * 10-3
D) 8.4* 10-3
E) 4.8 * 10-2

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