(a) Prepare the log C-pH diagram for Fe(OH);,3 precipitation. Use the following equilibrium reactions. Fe(OH), + 3H Fe(OH)3,5 + 2H Fe(OH)3, + H Fe(OH)3,5 - Fe* + 3H:O - Fe(OH)* + 2H;O - Fe(OH);" + H;O - Fe(OH); - Fe(OH); + H Ko = 1035 K1 = 105 K2 = 1025 K3 = 10-120 K,4 = 1018.5 %3D %3D Fe(OH);, + H;O Start your answer by writing the equilibrium equation of each reaction and show the detailed mathematical manipulation steps on how you plot each of the equilibrium lines. Use the given grid paper and do not use spreadsheet software. Note that the given equilibrium constants are different from those used in the lecture.

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(a) Prepare the log C-pH diagram for Fe(OH);3 precipitation. Use the following equilibrium reactions.
Fe(OH)3, + 3H
Fe(OH);,3 + 2H"
Fe(OH)3, + H
Fe(OH):,s
- Fe* + 3H:O
- Fe(OH)* + 2H;O
- Fe(OH)2* + H;O
- Fe(OH);
- Fe(OH); + H
Ko = 1035
K1 = 1015
K2 = 10-25
K3 = 10120
K4 = 10*185
%3D
%3D
Fe(OH)3, + H;O
%3D
Start your answer by writing the equilibrium equation of each reaction and show the detailed mathematical manipulation
steps on how you plot each of the equilibrium lines. Use the given grid paper and do not use spreadsheet software. Note
that the given equilibrium constants are different from those used in the lecture.
Transcribed Image Text:(a) Prepare the log C-pH diagram for Fe(OH);3 precipitation. Use the following equilibrium reactions. Fe(OH)3, + 3H Fe(OH);,3 + 2H" Fe(OH)3, + H Fe(OH):,s - Fe* + 3H:O - Fe(OH)* + 2H;O - Fe(OH)2* + H;O - Fe(OH); - Fe(OH); + H Ko = 1035 K1 = 1015 K2 = 10-25 K3 = 10120 K4 = 10*185 %3D %3D Fe(OH)3, + H;O %3D Start your answer by writing the equilibrium equation of each reaction and show the detailed mathematical manipulation steps on how you plot each of the equilibrium lines. Use the given grid paper and do not use spreadsheet software. Note that the given equilibrium constants are different from those used in the lecture.
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