Citric acid is a polyprotic acid with pK₁, pK2, and pK3 equal to 3.13, 4.76, and 6.40, respectively. Calculate the concentrations of H+, the monovalent anion, the divalent anion, and the trivalent anion in 0.0100 M citric acid. Calculate the pH of 1.0 × 10-3 M sodium phenolate, NaOC6H5. Ka for HOC6H5 is 1.05 × 10-1⁰.

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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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Citric acid is a polyprotic acid with pK₁, pK2, and pK3 equal to 3.13, 4.76, and 6.40,
respectively. Calculate the concentrations of H+, the monovalent anion, the divalent anion,
and the trivalent anion in 0.0100 M citric acid.
Calculate the pH of 1.0 × 10-³ M sodium phenolate, NaOC6H5. Ka for HOC6H5 is 1.05 × 10-¹⁰.
Transcribed Image Text:Citric acid is a polyprotic acid with pK₁, pK2, and pK3 equal to 3.13, 4.76, and 6.40, respectively. Calculate the concentrations of H+, the monovalent anion, the divalent anion, and the trivalent anion in 0.0100 M citric acid. Calculate the pH of 1.0 × 10-³ M sodium phenolate, NaOC6H5. Ka for HOC6H5 is 1.05 × 10-¹⁰.
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