4. Predict the pH of a solution that is made by mixing 25.00 mL of 0.100 M NH4OH (K, = 1.80 x 105)with 17.50 mL of 0.100 M HCI.5. In the titration of 15.00 mL of 0.200 M of a weak base, B:, (K, = 7.25 x 10°) with 0.100 M HCI.calculate the pH after the addition of the following volumes of titrant (mL); (a) 0.00 ; (b) 10.00;(c ) 15.00 ; (d) 20.00 mL.

Given, 25 ml of 0.1 M NH4OH And 17.50 ml of 0.1 M HCl Kb = 1.80x10-5 pKb = - log(1.80x10-5)…

Answered: 4. Predict the pH of a solution that is…

4. Predict the pH of a solution that is made by mixing 25.00 mL of 0.100 M NH4OH (Kp = 1.80 x 105) with 17.50 mL of 0.100 M HCI.

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 26QAP: You want to make a buffer with a pH of 10.00 from NH4+/NH3. (a) What must the [ NH4+ ]/[ NH3 ]ratio...

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Concept explainers

Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.

Question

4. Predict the pH of a solution that is made by mixing 25.00 mL of 0.100 M NH4OH (K, = 1.80 x 105)
with 17.50 mL of 0.100 M HCI.
5. In the titration of 15.00 mL of 0.200 M of a weak base, B:, (K, = 7.25 x 10°) with 0.100 M HCI.
calculate the pH after the addition of the following volumes of titrant (mL); (a) 0.00 ; (b) 10.00;
(c ) 15.00 ; (d) 20.00 mL.

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