5 ml of a 0.2 M NH3 solution are added to 5 ml of a 0.1 M NH4Cl solution (Kb for NH3 is = 1.8 × 10-5). Calculate:   a) the pH of the resulting solution;     b) the ΔpH due to the addition of 5 ml of a 0.01 M HNO3 solution to the solution resulting from part a);     c) the ΔpH due to the addition of 10 ml of water to the solution resulting from part a)

Chemistry: Principles and Reactions
8th Edition
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:William L. Masterton, Cecile N. Hurley
Chapter21: Chemistry Of The Nonmetals
Section: Chapter Questions
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5 ml of a 0.2 M NH3 solution are added to 5 ml of a 0.1 M NH4Cl solution (Kb for NH3 is = 1.8 × 10-5). Calculate:

 

a) the pH of the resulting solution;

 

 

b) the ΔpH due to the addition of 5 ml of a 0.01 M HNO3 solution to the solution resulting from part a);

 

 

c) the ΔpH due to the addition of 10 ml of water to the solution resulting from part a)

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