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Calculating concentration in equilibrium

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At pH 6.00 and pE 2.60, what is the concentration of Fe2+ (mol/L) in equilibrium with Fe(OH)3?

Hint: Use the Nernst equation and the Ksp for the solubility of solid iron (III) hydroxide.

I would like to know how to set up the Nernst equation and where it is appropriate to plug in the value and how it correlates with the concentration.

I also would like step by step directions and the constants (such as the ksp) used. Thanks.

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Solution Summary

This solution is provided in 57 words in an attached .doc file. It provides the Nernst equation and demonstrates how this can be used to find the concentration.

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