Do calculations to verify the pH at the equivalence point. (Ka propanoic acid = 1.3 x 10-5). Show work. (ie: say you didn't have the data table, but you were given the volume of sodium hydroxide needed to reach equivalence and the other values provided above the data table. Do the math to determine the pH. If you do it right, your answer should be very close to the pH that you determined from the graph!)
Do calculations to verify the pH at the equivalence point. (Ka propanoic acid = 1.3 x 10-5). Show work. (ie: say you didn't have the data table, but you were given the volume of sodium hydroxide needed to reach equivalence and the other values provided above the data table. Do the math to determine the pH. If you do it right, your answer should be very close to the pH that you determined from the graph!)
Chemistry
10th Edition
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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Transcribed Image Text:Do calculations to verify the pH at the equivalence point. (Ka propanoic acid = 1.3 x 10-5). Show work.
(ie: say you didn't have the data table, but you were given the volume of sodium hydroxide needed to reach
equivalence and the other values provided above the data table. Do the math to determine the pH. If you do it
right, your answer should be very close to the pH that you determined from the graph!)
![A student used a pH meter to collect data for the titration of an unknown concentration of propanoic acid with a
0.150 mol/L solution of sodium hydroxide. The data table from the investigation is shown in the table below.
Data for the Titration of Propanoic Acid with Sodium Hydroxide
Volume of propanoic acid: 25.00 mL
[NaOH] = 0.150 mol/L
Volume of NaOH (aq)
added (mL)
0.00
2.00
4.11
7.98
11.95
14.08
16.05
17.00
17.21
17.39
17.62
17.99
18.18
18.39
18.80
20.00
22.03
PH
2.83
3.84
4.20
4.64
5.03
5.27
5.61
5.90
6.00
6.09
6.23
6.74
8.80
10.92
12.24
12.56
12.69
Adobe 4343625416
00..](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F3611f98b-e0a7-49c7-b7ad-b5d4e3b7c968%2Ffca6541c-874a-4b86-9850-10fca5a3b283%2Fwhpwekc_processed.png&w=3840&q=75)
Transcribed Image Text:A student used a pH meter to collect data for the titration of an unknown concentration of propanoic acid with a
0.150 mol/L solution of sodium hydroxide. The data table from the investigation is shown in the table below.
Data for the Titration of Propanoic Acid with Sodium Hydroxide
Volume of propanoic acid: 25.00 mL
[NaOH] = 0.150 mol/L
Volume of NaOH (aq)
added (mL)
0.00
2.00
4.11
7.98
11.95
14.08
16.05
17.00
17.21
17.39
17.62
17.99
18.18
18.39
18.80
20.00
22.03
PH
2.83
3.84
4.20
4.64
5.03
5.27
5.61
5.90
6.00
6.09
6.23
6.74
8.80
10.92
12.24
12.56
12.69
Adobe 4343625416
00..
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