Asked by sayan
A solution with a volume of 1·00 dm3 is saturated with lead iodide, Pbl2. The concentration of iodide ions is 2·7 mol dm–3.Determine the solubility product of PbI2.
Answers
Answered by
DrBob222
This is a common ion problem.
.....PbI2 ==> Pb^2+ + 2I^-
I....solid....0.......0
C....solid....x.......2x
E....solid....x.......2
Ksp = (Pb^2+)(I^-)^2
Ksp = ?
(I^-_ is 2.7 M.
(Pb^2+) = 1/2 (I^-)
Substitute and solve for Ksp.
.....PbI2 ==> Pb^2+ + 2I^-
I....solid....0.......0
C....solid....x.......2x
E....solid....x.......2
Ksp = (Pb^2+)(I^-)^2
Ksp = ?
(I^-_ is 2.7 M.
(Pb^2+) = 1/2 (I^-)
Substitute and solve for Ksp.
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