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Consider the titration of 100.0 mL of 0.130 M H2NNH2 (Kb= 3.0 x 10-6) by 0.260...

Consider the titration of 100.0 mL of 0.130 M H2NNH2 (Kb= 3.0 x 10-6) by 0.260 M HNO3. Calculate the pH of the resulting solution after the following volumes of  have been added: 0.0 mL, 20.0 mL, 40 mL, 50 mL, 100 mL.

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