Calculate the % relative error in hydronium ion concentration by using concentrations instead of activities in calculating the pH of the following buffer solutions using the thermodynamic constants listed below. Acid Formula K₂ Acetic acid CH, COOH 1.75 x 10-5 Ammonium ion NH₂+ 5.70 x 10-10 Chloroacetic acid CICH, COOH 1.36 x 10-³ b0.0340 M NH3 and 0.120 M NH, CI Relative error= 0.0210 M CICH₂ COOH and 0.0570 M CICH₂ COONa (acic H, 000 = 0.35) Relative error=

Calculate the % relative error in hydronium ion concentration by using concentrations instead of activities in calculating the pH of the following buffer solutions using the thermodynamic constants listed below. Acid Formula K₂ Acetic acid CH, COOH 1.75 x 10-5 Ammonium ion NH₂+ 5.70 x 10-10 Chloroacetic acid CICH, COOH 1.36 x 10-³ b0.0340 M NH3 and 0.120 M NH, CI Relative error= 0.0210 M CICH₂ COOH and 0.0570 M CICH₂ COONa (acic H, 000 = 0.35) Relative error=

Chemistry

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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

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Concept explainers

Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.

Question

Calculate the % relative error in hydronium ion concentration by using concentrations instead of
activities in calculating the pH of the following buffer solutions using the thermodynamic constants listed
below.
Acid
Formula
K₂
Acetic acid
CH, COOH
1.75 x 10-5
Ammonium ion
NH₂+
5.70 x 10-10
Chloroacetic acid CICH, COOH 1.36 x 10-³
b 0.0340 M NH3 and 0.120 M NH, CI
Relative error =
C 0.0210 M CICH₂ COOH and 0.0570 M CICH₂ COONa (αCICH, COO = 0.35)
Relative error =

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