1.) Determine the solubility of PbBr 2 given that Ksp= 4.67 x 10 -6 2.) The prec

Question

1.) Determine the solubility of PbBr2 given that Ksp= 4.67 x 10-6

2.) The preceding graph shows data for the solubility of KHP. Determine H and S for this process (the dissolution of KHP)

I included an image of the worksheet so you can see the graph.

Name 1. Determine the solubility of PbBr2 given that Ksp 4.67 x 104 12 in Ksp 4 0.0005 o 001 0.0015 o.o02 o.0025 o.00 .0.0035 o.004 1/T (in K) The preceding graph shows data for the solubility of KHP. Determine AH and AS for this process (the dissolution of KHP)

Explanation / Answer

1)

At equilibrium:

PbBr2 ----> Pb2+ + 2 Br-

   s 2s

Ksp = [Pb2+][Br-]^2

4.67*10^-6=(s)*(2s)^2

4.67*10^-6= 4(s)^3

s = 1.18*10^-2 M

Answer: 1.18*10^-2 M

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