What is the solubility of calcium fluoride in a buffer solution containing 0.45 M HCHO2 (formic acid)

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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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General Chemistry

ISBN: 978-1439043998

9th edition

Authors: Darrell Ebbing, Steven D. Gammon

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