A triprotic acid (H3Y) has the following acid ionization constants: Ka1 = 5.3 x 104 Ka2 = 1.7 x 10-8 ; Ka3 = 3.2 × 10-11 If a student wanted to create a buffer solution at a pH of 6.93, which of the following conjugate acid-base pairs should this student choose? HY2- and Y3- H3Y and H2Y1- H2Y1- and Y3- H2Y1- and HY2- H3Y and Y3- H3Y and HY2-
A triprotic acid (H3Y) has the following acid ionization constants: Ka1 = 5.3 x 104 Ka2 = 1.7 x 10-8 ; Ka3 = 3.2 × 10-11 If a student wanted to create a buffer solution at a pH of 6.93, which of the following conjugate acid-base pairs should this student choose? HY2- and Y3- H3Y and H2Y1- H2Y1- and Y3- H2Y1- and HY2- H3Y and Y3- H3Y and HY2-
General, Organic, and Biological Chemistry
7th Edition
ISBN:9781285853918
Author:H. Stephen Stoker
Publisher:H. Stephen Stoker
Chapter10: Acids, Bases, And Salts
Section: Chapter Questions
Problem 10.118EP: Using the diagrams shown in Problem 10-117, which of the solutions would have the greatest buffer...
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