Answered: Calculate pH at equilibrium for a…

Calculate pH at equilibrium for a solution of 0.015M Oxalic acid, with pKa1=1.27 and pKa2=4.28. Show your calculation and explain any approximations you may have used.

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter16: Applications Of Neutralization Titrations

Section: Chapter Questions

Problem 16.1QAP

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Calculate pH at equilibrium for a solution of 0.015M Oxalic acid, with pKa1=1.27 and pKa2=4.28.

Show your calculation and explain any approximations you may have used.

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Step 1: Determine the pH of the oxalic acid:

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Step 2: Calculation for concentration of [ HC2O4-]

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Step 3: Calculation for pH of the solution:

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