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The equilibrium constant for the autoionization of water is 10-14 at 25 °C. a) Calculate AGº for the reaction below at 25 °C- b) On the graph to the right, sketch the free-energy diagram for the reaction in part a). Make sure to include all the compA 0.7 mL drop of concentrated of HNO3 (15.7 M) is accidentally added to 550 mL of the solution described in a). Calculate theA 1.00-liter buffer solution is prepared with 0.500 M NaHC204 and 0.500 M Na2C2O4. Kai (H2C2O4) = 5.9 x 10-2 and Kaz (H2C2O4)

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Answer #1

a) for autoianization of water, OH(aq) + Hot(aq) hoce). equilibrium constant, k = 1014 at standard temp, 25°c. 4G = 40 AGO RTso, from the position of reactant diagram, the equilibrium live reaction quantitive more towards the * Ascorbic acid CH CH 06so total moles of t = 0.01102311 so, hanno pH = -loglitt) = -leg [o. 0110221] new pH = 1.954 4pH = 2.522

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