Calculate the equilibrium pH of this solution.

Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Just looking for assistance with B. Please be neat and detailed. I want to be able to replicate

(May assume activity coefficient = 1.0 for simplification in this problem)
Citric acid is a triprotic acid (H3L), with acidity constants K₁1 = 10-3.13, K₁2
= 10-4.72, and Ka3 = 10-6.33
HO
citric acid
OH
OH
(a) Construct a logC-pH diagram using Excel or other similar software to
illustrate the speciation of the solution containing 1.0x10-³ M of total
citric acid. Based upon the speciation diagram, determine the most
dominant species at pH 4 and pH 9, respectively.
(b) A solution is prepared by adding 1.0x10-3 M trisodium citrate (Na3L)
to pure water. Calculate the equilibrium pH of this solution.
Transcribed Image Text:(May assume activity coefficient = 1.0 for simplification in this problem) Citric acid is a triprotic acid (H3L), with acidity constants K₁1 = 10-3.13, K₁2 = 10-4.72, and Ka3 = 10-6.33 HO citric acid OH OH (a) Construct a logC-pH diagram using Excel or other similar software to illustrate the speciation of the solution containing 1.0x10-³ M of total citric acid. Based upon the speciation diagram, determine the most dominant species at pH 4 and pH 9, respectively. (b) A solution is prepared by adding 1.0x10-3 M trisodium citrate (Na3L) to pure water. Calculate the equilibrium pH of this solution.
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