A diprotic base (B) has pK, values of 3.33 (pK5i) and 6.66 (pK2). Which of the equalities is true when the pH is 7.34? Which of the equalities is true when the pH is 10.67 (BH +] = [BH*] O (BH *] = [B] O [BH*] = (B] (BH*] = (B] O (BH? *) = [BH*] [BH? 1 = [B] %3D %3! What is the predominant species of B at pH 4.40? What is the predominant species of B at pH 9.18? B BH; BH? BH+ BH What is the predominant species of B at pH 12.80? What is the predominant species of B at pH 12.80? В BH;+ BH+

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
Chapter16: Reactions Between Acids And Bases
Section: Chapter Questions
Problem 16.49QE: Estimate the pH that results when the following two solutions are mixed. a) 50 mL of 0.3 M CH3COOH...
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A diprotic base (B) has pK, values of 3.33 (pKi) and 6.66 (pK2).
Which of the equalities is true when the pH is 7.34?
Which of the equalities is true when the pH is 10.67
[BH ) = (B]
O [BH? *) = [BH*]
[BH? 1 = [B]
(BH +] = [BH*]
O [BH *] = [B]
O [BH*] = (B]
%3!
%3!
What is the predominant species of B at pH 4.40?
What is the predominant species of B at pH 9.18?
B
BH;
BH?
BH+
BH*
What is the predominant species of B at pH 12.80?
What is the predominant species of B at pH 12.80?
В
BH;+
BH+
Transcribed Image Text:A diprotic base (B) has pK, values of 3.33 (pKi) and 6.66 (pK2). Which of the equalities is true when the pH is 7.34? Which of the equalities is true when the pH is 10.67 [BH ) = (B] O [BH? *) = [BH*] [BH? 1 = [B] (BH +] = [BH*] O [BH *] = [B] O [BH*] = (B] %3! %3! What is the predominant species of B at pH 4.40? What is the predominant species of B at pH 9.18? B BH; BH? BH+ BH* What is the predominant species of B at pH 12.80? What is the predominant species of B at pH 12.80? В BH;+ BH+
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