The values of the dissociation constants for H3PO4 are given in the table above. If a solution has a pH of 1, which of the following chemical species would have the lowest concentration? a) H+ b) H2PO4- c) HPO42- d) PO43-

The values of the dissociation constants for H3PO4 are given in the table above. If a solution has a pH of 1, which of the following chemical species would have the lowest concentration? a) H+ b) H2PO4- c) HPO42- d) PO43-

Introduction to General, Organic and Biochemistry

11th Edition

ISBN:9781285869759

Author:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres

Publisher:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres

Chapter4: Chemical Reactions

Section: Chapter Questions

Problem 4.70P

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Question

100%

The values of the dissociation constants for H₃PO₄ are given in the table above. If a solution has a pH of 1, which of the following chemical species would have the lowest concentration?

a) H+

b) H2PO4-

c) HPO42-

d) PO43-

(bv)*
H;PO,(aq)
7.5 × 10-3
Ka
Kaz
6.2 × 10-8
Kaz
4.2 x 10-13

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