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    Finding the Concentration of Fe2+ in equilibrium with Fe(OH)3

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    At pH 6.00 and pE 2.10, 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.

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    Chemistry, Environmental Chemistry
    Year 3
    Concentration of Fe2+ in equilibrium with Fe(OH)3

    At pH 6.00 and pE 2.10, 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.

    Solution:

    Fe(OH)3+ 3 H+ <-----------> Fe 2+ + 3 H2O

    The Nernst equation is given by,
    E = Eo + ...

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