題組內容

5. pE-pH diagram is a useful tool to predict chemical state of species in water. The following figure is a typical pE-pH diagram for iron in water at the total soluble iron concentration of 1 x61c025fd6c44c.jpg M.
61c0262a59197.jpg

(A) Calculate the values of 61c02652cda80.jpg, pE, and pH at the point in following figure where61c0266f8e413.jpg is at a concentration of 1 x 61c026929ee95.jpg M, and Fe(OH)2 and Fe(OH)3 are all in equilibrium. (10%)