What Is the Molar Solubility of PbF₂ in a Buffer $\times$

question 33

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 ? (K_sp of PbF₂ is 3.2 $\times$ 10^-8; K_a of HF = 6.8 $\times$ 10^-4.)

• A)8.4 \(\times\) 10^-3
• B)7.4 \(\times\) 10^-3
• C)3.2 \(\times\) 10^-3
• D)1.1\(\times\)10^-4
• E)4.8 \(\times\) 10^-2

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