
Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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Question
Using the titration data below, plot the titration curve of this unknown diprotic amino acid and determine pKa1. Report your final answer to two places after the decimal.

Transcribed Image Text:Volume
NaOH (mL)
0.00
2.00
4.39
7.86
12.46
17.06
20.57
22.75
23.94
24.59
25.00
25.41
26.06
27.25
29.42
32.92
37.50
42.08
45.57
47.73
48.91
49.51
49.83
50.05
50.30
50.73
51.64
53.64
58.33
70.59
114.97
pH
2.67
3.00
3.33
3.67
4.00
4.33
4.67
5.00
5.33
5.67
6.00
6.33
6.67
7.00
7.33
7.67
8.00
8.33
8.67
9.00
9.33
9.67
10.00
10.33
10.67
11.00
11.33
11.67
12.00
12.33
12.67
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