The Ksp of Pb(IO3)2 is 2.5 x 10^-13. Assume that Pb(IO3)2 is a negligible source of Pb2+ compared to Pb(NO3)2.
A different solution contains dissolved NaIO3. What is the concentration of NaIO3 if adding excess Pb(IO3)2 produces a Pb2+ concentration f 9.30 x10^-6M? IO3- is 0.000006 M