PbI2(s)⇄Pb2+(aq)+2I−(aq) Ksp=7×10−9 The dissolution of PbI2(s) is represented above. (a) Write a mathematical expression that can be used to determine the value of S , the molar solubility of PbI2(s) . (b) If PbI2(s) is dissolved in 1.0MNaI(aq), is the maximum possible concentration of Pb2+(aq) in the solution greater than, less than, or equal to the concentration of Pb2+(aq) in the solution in part (a) ? Explain. Compound Ksp PbCl2 2×10−5 PbI2 7×10−9 Pb(IO3)2 3×10−13 c) A table showing Ksp values for several lead compounds is given above. A saturated solution of which of the compounds has the greatest molar concentration of Pb2+(aq) ? Explain.
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PbI2(s)⇄Pb2+(aq)+2I−(aq) Ksp=7×10−9
The dissolution of PbI2(s) is represented above.
(a) Write a mathematical expression that can be used to determine the value of S , the molar solubility of PbI2(s) .
(b) If PbI2(s) is dissolved in 1.0MNaI(aq), is the maximum possible concentration of Pb2+(aq) in the solution greater than, less than, or equal to the concentration of Pb2+(aq) in the solution in part (a) ? Explain.
| Compound | Ksp |
| PbCl2 | 2×10−5 |
| PbI2 | 7×10−9 |
| Pb(IO3)2 | 3×10−13 |
c) A table showing Ksp values for several lead compounds is given above. A saturated solution of which of the compounds has the greatest molar concentration of Pb2+(aq) ? Explain.
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Write Ksp expression for the following equilibria.
PbI2(s)⇌Pb2+(aq)+2I−(aq)PbI2(s)⇌Pb2+(aq)+2I(aq)−
Cu(IO3)2(s)⇌Cu2+(aq)+2IO−3(aq)Cu(IO3)2(s)⇌Cu2+(aq)+2IO3(aq)−
Ag(OH)3(s)⇌Al3+(aq)+3OH−(aq)Ag(OH)3(s)⇌Al3+(aq)+3OH(aq)−
CaF2(s)⇌Ca2+(aq)+2F−(aq)
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