Question 2: The pKa of hydrocyanic acid (HCN) is 9.21. Calculate the pH of a 0.150 mol / L solution of potassium cyanide, KCN. (Hint: cyanide ion, CN-, is the conjugate base of HCN) *Please show formulas and steps for my own understanding. Thank you

Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter14: Acids And Bases
Section: Chapter Questions
Problem 96QRT
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Question 2: The pKa of hydrocyanic acid (HCN) is 9.21. Calculate the pH of a 0.150 mol / L solution of potassium cyanide, KCN. (Hint: cyanide ion, CN-, is the conjugate base of HCN)

*Please show formulas and steps for my own understanding. Thank you

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