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Fe2+ is present at very low concentrations in seawater. The primary source of this iron is...

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Chemistry

Fe2+ is present at very low concentrations inseawater. The primary source of this iron is Fe(OH)2.The pH of seawater is between 7.4 and 8.3. For this problem assumethat the pH of seawater is 8.0.

a) Write a chemical equation that describes the solubility ofFe(OH)2.

b) Knowing that ΔGº for this reaction is 90.7 kJ/mol,calculate the Ksp of Fe(OH)2.

c) What is the solubility of Fe(OH)2 in purewater?

d) What is the solubility of Fe(OH)2 in seawater?

I need to know how to do these questions not just the answers,thank you!

Answer & Explanation Solved by verified expert
4.3 Ratings (734 Votes)
a FeOH2 s H2O l Fe2 aq 2 OH aq Ksp Fe2OH2 b G 907 kJmol G R T ln Ksp    See Answer
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