0.0 mL of 0.070M pyridine (C5H5N) is titrated with 0.070M HCl. (Kb for C5H5N is 1.7 x 10^-9). What is the pH of the weak base C5H5N before any HCl is added? What volume of HCl, in mL, is required to reach the equivalence point? What is the pH at the halfway point of the titration? What is the pH when 75% of the required HCl has been added? What is the pH at the equivalence point?
0.0 mL of 0.070M pyridine (C5H5N) is titrated with 0.070M HCl. (Kb for C5H5N is 1.7 x 10^-9). What is the pH of the weak base C5H5N before any HCl is added? What volume of HCl, in mL, is required to reach the equivalence point? What is the pH at the halfway point of the titration? What is the pH when 75% of the required HCl has been added? What is the pH at the equivalence point?
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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10.0 mL of 0.070M pyridine (C5H5N) is titrated with 0.070M HCl. (Kb for C5H5N is 1.7 x 10^-9). What is the pH of the weak base C5H5N before any HCl is added? What volume of HCl, in mL, is required to reach the equivalence point? What is the pH at the halfway point of the titration? What is the pH when 75% of the required HCl has been added? What is the pH at the equivalence point?
Of these three indicators, which is most suitable for this titration?
(Bromophenol blue, Alizarin, Phenolphtalein)
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