Solubility

• Fe(OH)3(s) ? Fe3+(aq) + 3OH-(aq)

• Can solve as well by setting up an ICE table:Substance: Fe3+(aq) OH-(aq)Initial Conc. 0.00 M 0.00 MChange x 3xEquil. Conc. x 3x

• Ksp = [Fe3+][OH-]3 = (x)(3x)3 = 1.1 x 10-36

• Then the solution is the same as before.

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