d) Write an expression which shows how the acid dissociation constant, Ka, of ethanoic acid (CH3COOH) may be calculated. e) If the pH of a 0.1 mol dm3 solution of ethanoic acid is 2.88 at 20 °C, calculate: (i) the hydroxonium ion concentration ([H30*(aq)]) of this solution at 20 °C. (ii) the acid dissociation constant, Ka, for ethanoic acid at 20 °C.

d) Write an expression which shows how the acid dissociation constant, Ka, of ethanoic acid (CH3COOH) may be calculated. e) If the pH of a 0.1 mol dm3 solution of ethanoic acid is 2.88 at 20 °C, calculate: (i) the hydroxonium ion concentration ([H30*(aq)]) of this solution at 20 °C. (ii) the acid dissociation constant, Ka, for ethanoic acid at 20 °C.

Principles of Modern Chemistry

8th Edition

ISBN:9781305079113

Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Chapter15: Acid–base Equilibria

Section: Chapter Questions

Problem 7P

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