Problem: Calculate the pH of a solution formed by mixing 310 mL of a 0.220 M H2C4H4O6 solution with 420 mL of a 0.400 M KHC4H4O6 solution. Kb1 = 2.17 x 10-10 and Kb2= 1.0 x 10-11. 

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Calculate the pH of a solution formed by mixing 310 mL of a 0.220 M H2C4H4O6 solution with 420 mL of a 0.400 M KHC4H4O6 solution. Kb1 = 2.17 x 10-10 and Kb2= 1.0 x 10-11

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