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=

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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 =
Transcribed Image Text: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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