posted by Anonymous .
Calculate the concentration of ions in the following saturated solutions.
(a) [I −] in AgI solution with [Ag+] = 8.1 10-9 M
(b) [Al3+] in Al(OH)3 solution with [OH −] = 1.8 10-9 M
AgI ==> Ag^+ + I^-
Ksp = ? = (Ag^+)(I^-)
Substitute Ksp and Ag^+ and solve for I^-
In b don't forget to cube the OH^-