Calculation of the ionization constant for acetic acid from the measured pH of the acetic acid samples. (Average the pH and molar concentration values for the samples of acetic acid you titrated; use the average values in the calculation of the ionization constant.) 60.28 Average molar concentration of acetic acid for the samples you titrated: mol/L 3.11 Average pH Calculate the corresponding [H3O*], compute the concentration of A and HA, and calculate the dissociation constant, Ką. M H30* МА- М НА [H;O*][A] K. НА pK,
Calculation of the ionization constant for acetic acid from the measured pH of the acetic acid samples. (Average the pH and molar concentration values for the samples of acetic acid you titrated; use the average values in the calculation of the ionization constant.) 60.28 Average molar concentration of acetic acid for the samples you titrated: mol/L 3.11 Average pH Calculate the corresponding [H3O*], compute the concentration of A and HA, and calculate the dissociation constant, Ką. M H30* МА- М НА [H;O*][A] K. НА pK,
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![Data and Calculations
1. Measurement of pH and titration of acetic acid solution
Concentration of standardized NaOH titrant 0. 1029
mol/L
Mass concentration of acetic acid
2.40
g/L
Trial 1
Trial 2
Trial 3
Measured pH of the acetic acid solution
3.10
3.12
3.12
30.08
30.04
30.05
Mass of acetic acid solution taken for titration
g
g
g
Initial buret reading of NaOH titrant
2.30
14.0
25.7
37.3
11.6
1.19
1.19
0.0396 mol/L
60.61 g/mol
mL
mL
mL
14.0
I1.7
1.20
Final buret reading of NaOH titrant
25.7
11.7
mL
mL
mL
Net volume of NaOH
Finnl-initol
mL
mL
mL
Millimoles of NaOH to end point of titration
mmol
1.20
mmol
mmol
Millimoles of acetic acid in sample
1.20 mmol
|.20
mmol
mmol
0.040 mol/L
60.16 8/mol
Molar concentration of acetic acid solution
0.040
mol/L
Calculated molar mass of acetic acid
(0.08 8/mol
Calculation of the ionization constant for acetic acid from the measured pH of the acetic acid
samples. (Average the pH and molar concentration values for the samples of acetic acid you titrated; use the
average values in the calculation of the ionization constant.)
60.28
Average molar concentration of acetic acid for the samples you titrated:
mol/L
3.1
Average pH
Calculate the corresponding [H3O*], compute the concentration of A¯ and HA, and calculate the dissociation
constant, K,.
M H3O+
M A
М НА
[H;O*][A]
Ka
НА)
pk, =](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F363e80a3-e066-4112-93f6-e408158d10a5%2F48f94d2e-3b47-4f71-bb77-d0946e80974b%2Feje4ioi_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Data and Calculations
1. Measurement of pH and titration of acetic acid solution
Concentration of standardized NaOH titrant 0. 1029
mol/L
Mass concentration of acetic acid
2.40
g/L
Trial 1
Trial 2
Trial 3
Measured pH of the acetic acid solution
3.10
3.12
3.12
30.08
30.04
30.05
Mass of acetic acid solution taken for titration
g
g
g
Initial buret reading of NaOH titrant
2.30
14.0
25.7
37.3
11.6
1.19
1.19
0.0396 mol/L
60.61 g/mol
mL
mL
mL
14.0
I1.7
1.20
Final buret reading of NaOH titrant
25.7
11.7
mL
mL
mL
Net volume of NaOH
Finnl-initol
mL
mL
mL
Millimoles of NaOH to end point of titration
mmol
1.20
mmol
mmol
Millimoles of acetic acid in sample
1.20 mmol
|.20
mmol
mmol
0.040 mol/L
60.16 8/mol
Molar concentration of acetic acid solution
0.040
mol/L
Calculated molar mass of acetic acid
(0.08 8/mol
Calculation of the ionization constant for acetic acid from the measured pH of the acetic acid
samples. (Average the pH and molar concentration values for the samples of acetic acid you titrated; use the
average values in the calculation of the ionization constant.)
60.28
Average molar concentration of acetic acid for the samples you titrated:
mol/L
3.1
Average pH
Calculate the corresponding [H3O*], compute the concentration of A¯ and HA, and calculate the dissociation
constant, K,.
M H3O+
M A
М НА
[H;O*][A]
Ka
НА)
pk, =
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