The base-dissociation constant (Kb) for this base is 1.7x109, If the pH of the solution is 9.15, what is the initial concentration of pyridine? (Assume that the tempe 25°C.) M

Chemistry: Principles and Practice
3rd Edition
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Chapter15: Solutions Of Acids And Bases
Section: Chapter Questions
Problem 15.122QE: A Liquid HF undergoes an autoionization reaction: 2HFH2F++F (a) Is KF an acid or a base in this...
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In aqueous solution, pyridine (C5H5N) is a weak base that accepts a proton from water to form the hydroxide ion (OH-) and the pyridinium ion (C5H5NH+), according to the
following equation.
C5H5N(aq) + H20(/) = OH (aq) + C5H5NH†(aq)
The base-dissociation constant (Kb) for this base is 1.7x10-9. If the pH of the solution is 9.15, what is the initial concentration of pyridine? (Assume that the temperature is
25°C.)
M
Transcribed Image Text:In aqueous solution, pyridine (C5H5N) is a weak base that accepts a proton from water to form the hydroxide ion (OH-) and the pyridinium ion (C5H5NH+), according to the following equation. C5H5N(aq) + H20(/) = OH (aq) + C5H5NH†(aq) The base-dissociation constant (Kb) for this base is 1.7x10-9. If the pH of the solution is 9.15, what is the initial concentration of pyridine? (Assume that the temperature is 25°C.) M
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