Question: What is the solubility of calcium fluoride in a buffer solution containing 0.45 M HCHO2 (formic acid) and 0.20 M NaCHO2? (Consider the equation CaF2(s)

What is the solubility of calcium fluoride in a buffer solution containing 0.45 M HCHO2 (formic acid) and 0.20 M NaCHO2? (Consider the equation CaF2(s) + 2H+(aq) ⇌ Ca2+(aq) + 2HF(aq), and solve the equilibrium problem.)

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