1. Calcium Fluoride, Ksp=3.9x10^-11 CaF2->Ca^2+ + 2F- How would the addition of

Question

1. Calcium Fluoride, Ksp=3.9x10^-11 CaF2->Ca^2+ + 2F- How would the addition of an acid effect the solubility if Calciu Fluoride?
2. Lead II Bromide, Ksp=1.86x10^-5 PbBr2->Pb2+ + 2Br- How would the addition of an acid affect the solubiity of Lead II Bromide? 1. Calcium Fluoride, Ksp=3.9x10^-11 CaF2->Ca^2+ + 2F- How would the addition of an acid effect the solubility if Calciu Fluoride?
2. Lead II Bromide, Ksp=1.86x10^-5 PbBr2->Pb2+ + 2Br- How would the addition of an acid affect the solubiity of Lead II Bromide? CaF2->Ca^2+ + 2F- How would the addition of an acid effect the solubility if Calciu Fluoride?
2. Lead II Bromide, Ksp=1.86x10^-5 PbBr2->Pb2+ + 2Br- How would the addition of an acid affect the solubiity of Lead II Bromide?

Explanation / Answer

1) CaF2 -----------> Ca+2   + 2F-

by adding acid some H+ combines withh F-  forms HF. so equilibrium shift towards right resulting solubility of CaF2 will increase.

2) PbBr2 --------> Pb+2   + 2Br-

by adding acid solubility of PbBr2 will increase. because Br-  combines with H+  so equilibrium shift towards right.

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