You were given a set a results on an Excel spreadsheet to complete. Following completion of this said spreadsheet, write out the pK values of the following buffer titrations: 1. 0,2M Na-phosphtae buffer with 0.5M HCI:
You were given a set a results on an Excel spreadsheet to complete. Following completion of this said spreadsheet, write out the pK values of the following buffer titrations: 1. 0,2M Na-phosphtae buffer with 0.5M HCI:
Chapter7: Neutralization Titrations And Graphical Representations
Section: Chapter Questions
Problem 10P
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Transcribed Image Text:You were given a set a results on an Excel spreadsheet
to complete. Following completion of this said
spreadsheet, write out the pK values of the following
buffer titrations:
1. 0,2M Na-phosphtae buffer with 0.5M HCI:
Transcribed Image Text:4
TABLE 1:
Volume of Titrant
(ml)
0,0
0,5
1,0
1,5
2,0
2,5
3,0
3,5
4,0
4,5
5,0
5,5
6,0
6,5
7,0
7,5
8,0
8,5
9,0
9,5
10,0
10,5
11,0
11,5
12,0
12,5
13,0
13,5
14,0
pH of 0.2M Na-Phosphate
buffer with HCI (0.5M)
pH of 0.2M Na-phophate
buffer with NaOH (0.5M)
7
6.98
6.97
8
6.95
7.05
9.
6.90
7.18
10
6.84
7.21
11
6.83
7.21
12
6.74
7.30
13
6.71
7.41
14
6.63
7.53
15
6.60
7.61
16
6.51
7.81
8.03
17
6.46
18
6.30
8.27
19
6.28
8.80
20
6.17
9.76
21
5.98
22
5.92
23
5.81
24
5.76
25
5.48
26
5.32
27
4.73
28
3.61
2.97
29
30
2.38
31
2.11
32
2.01
33
2.00
34
35
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