A.) What is the pH of a 0.25 M solution of sodium propionate, NaC3H5O2, at 25°C? (For propionic acid, HC3H5O2, Ka = 1.3 x 10-5 at 25°C.) B.) What is the pH of a 0.79 M solution of methylamine (CH3NH2, Kb = 4.4 x 10–4) at 25oC?

A.) What is the pH of a 0.25 M solution of sodium propionate, NaC3H5O2, at 25°C? (For propionic acid, HC3H5O2, Ka = 1.3 x 10-5 at 25°C.) B.) What is the pH of a 0.79 M solution of methylamine (CH3NH2, Kb = 4.4 x 10–4) at 25oC?

Chemistry

9th Edition

ISBN:9781133611097

Author:Steven S. Zumdahl

Publisher:Steven S. Zumdahl

Chapter22: Organic And Biological Molecules

Section: Chapter Questions

Problem 133AE: All amino acids have at least two functional groups with acidic or basic properties. In alanine, the...

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A.) What is the pH of a 0.25 M solution of sodium propionate, NaC₃H₅O₂, at 25°C? (For propionic acid, HC₃H₅O₂, K_a = 1.3 x 10^-5 at 25°C.)

B.) What is the pH of a 0.79 M solution of methylamine (CH₃NH₂, K_b = 4.4 x 10^–4) at 25^oC?

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