Use the method of successive approximations to determine the pH and concentration of H2A, HA-, and A^2- in a solution of 2.34x10^-3 M monopotassium fumarate (KHA). The pKa values for fumaric acid are 3.022(pKa1) and 4.48(pKa2).

Use the method of successive approximations to determine the pH and concentration of H2A, HA-, and A^2- in a solution of 2.34x10^-3 M monopotassium fumarate (KHA). The pKa values for fumaric acid are 3.022(pKa1) and 4.48(pKa2).

Principles of Modern Chemistry

8th Edition

ISBN:9781305079113

Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Chapter15: Acid–base Equilibria

Section: Chapter Questions

Problem 55P

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Step 2: Determination of Ka

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Step 3: Determination of concentration of H2A.

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Step 4: Determination of concentration of A2-

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