Question 10 10a. An aqueous solution is prepared with the following formal concentrations: 0.20 M NH,CI, 0.050 M NH3, 0.19 M CH,CO₂H, 0.12 M NaHCO3, and 0.070 M Na2CO3. Calculate the pH of the resulting solution (possibly using the proton balance method). NH is a monovalent acid with pKa = 9.25, CH3CO2H is a monovalent acid with pK 4.74, H2CO3 is a divalent acid with = pKs1 6.20 and pK2 = 10.27. = 10b. Calculate the concentration of CO in the solution.

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Question 10
10a.
An aqueous solution is prepared with the following formal concentrations: 0.20 M NH,CI, 0.050
M NH3, 0.19 M CH,CO₂H, 0.12 M NaHCO3, and 0.070 M Na2CO3. Calculate the pH of the resulting
solution (possibly using the proton balance method). NH is a monovalent acid with pKa =
9.25, CH3CO2H is a monovalent acid with pK 4.74, H2CO3 is a divalent acid with
=
pKs1 6.20 and pK2 = 10.27.
=
10b.
Calculate the concentration of CO in the solution.
Transcribed Image Text:Question 10 10a. An aqueous solution is prepared with the following formal concentrations: 0.20 M NH,CI, 0.050 M NH3, 0.19 M CH,CO₂H, 0.12 M NaHCO3, and 0.070 M Na2CO3. Calculate the pH of the resulting solution (possibly using the proton balance method). NH is a monovalent acid with pKa = 9.25, CH3CO2H is a monovalent acid with pK 4.74, H2CO3 is a divalent acid with = pKs1 6.20 and pK2 = 10.27. = 10b. Calculate the concentration of CO in the solution.
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