(a) Calculate the pH of a solution made by mixing 60.0 mL of 0.80 M N2H4 (a weak base) with 50.0 mL of 0.50 M HCI. (Kb for N2H4 = 1.7 x 10- %3D (b) Calculate the pH change that occurs when an additional 2.0 mL of 0.50 M HCl is added to the solution made in (a).

(a) Calculate the pH of a solution made by mixing 60.0 mL of 0.80 M N2H4 (a weak base) with 50.0 mL of 0.50 M HCI. (Kb for N2H4 = 1.7 x 10- %3D (b) Calculate the pH change that occurs when an additional 2.0 mL of 0.50 M HCl is added to the solution made in (a).

Chemistry: Principles and Reactions

8th Edition

ISBN:9781305079373

Author:William L. Masterton, Cecile N. Hurley

Publisher:William L. Masterton, Cecile N. Hurley

Chapter14: Equilibria In Acid-base Solutions

Section: Chapter Questions

Problem 21QAP: Calculate the pH of a solution prepared by mixing 49.0 mL of butyric acid, HC4H7O2, with 6.15 g of...

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Question

(a) Calculate the pH of a solution made by mixing 60.0 mL of 0.80 M N2H4 (a
weak base) with 50.0 mL of 0.50 M HCI. (Kb for N2H4 = 1.7 x 10-
%3D

(b) Calculate the pH change that occurs when an additional 2.0 mL of 0.50 M
HCl is added to the solution made in (a).

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