Ce(IO3)3 ==> Ce^3+ + 3IO3^-
4.4E-8......4.4E-4...3*4.4E-4
Ksp = (Ce^3+)(IO3^-)^3
Substitute from the ICE curve I did for you and solve for Ksp. Don't forget to cube IO3^-
The solubility of solid Ce(IO3)3 in a 0.20 M KIO3 solution is 4.4 10-8 mol/L. Calculate Ksp.
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