13.3. The pH of aqueous 0.20 M propylamine (C₂H,NH₂), a weak base, was measured to be 11.96. What are the values of K and pK of propylamine? 13.4. Calculate the initial concentration of an aqueous solution of the weak acid, hydrocyanic acid (HCN), with a pH of 6.4. The pk of hydro- cyanic acid is 9.31. a

13.3. The pH of aqueous 0.20 M propylamine (C₂H,NH₂), a weak base, was measured to be 11.96. What are the values of K and pK of propylamine? 13.4. Calculate the initial concentration of an aqueous solution of the weak acid, hydrocyanic acid (HCN), with a pH of 6.4. The pk of hydro- cyanic acid is 9.31. a

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 107AP

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