Answered: a) Find the pH of 0.087 M NaCN. (Ka for…

a) Find the pH of 0.087 M NaCN. (Ka for HCN = 6.2 10-10.) b) Find the pH and fraction of dissociation (α) of a 0.100 M solution of the weak acid HA with Ka = 1.00 ✕ 10-5.

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter14: Principles Of Neutralization Titrations

Section: Chapter Questions

Problem 14.38QAP

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Question

a) Find the pH of 0.087 M NaCN. (K_a for HCN = 6.2 10^-10.)

b) Find the pH and fraction of dissociation (α) of a 0.100 M solution of the weak acid HA with K_a = 1.00 ✕ 10^-5.

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