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Assign_1-5_Equilibrium

Assign_1-5_Equilibrium - What is the solubility of the...

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Lecture 4 Problems Equilibrium and Equivalence (See notes for Equilibrium Constants) 1) What is the potential Ni ++ concentration in a water with a nickel plate in it? Assume the pH is stable at 6.8. Assume that hydroxides control solubility. 2) What is the solubility of reduced ferrous iron (Fe ++ ) ion in an anaerobic groundwater water with a pH of 8? As the water leaves the well head it is aerated and all the reduced ferrous iron is converted to oxidized ferric iron (Fe
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Unformatted text preview: +++ ). What is the solubility of the ferric iron in the water now? Where did the rest of the iron go? . 3) 5 milligrams solid CaF 2 is added to a liter of distilled water with a neutral pH . What is the fluoride ion concentration in the water when every thing comes to equilibrium? 4) What is the ratio of bicarbonate ions (HCO 3-) to carbonate ions (CO 3 = ) a pH of 8.3?...
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