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Calculating Ferric and Ferrous Concentrations

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Solubility product constants describe equilibrium expressions for very weakly soluble salts.
Fe(OH)3 and Fe(OH)2 are both highly insoluble salts.

Fe(OH)3 <-------> Fe+3 + 3 OH-

log K = -38.55

What is K?

Take the antilog of -38.55. K (or Ksp) = ...

Solution Summary

The solution uses a step-by-step equation process with explanation throughout to calculate the ferric and ferrous concentrations.