pH
0.2mol/L NaH2PO4(ml)
0.2mol/L Na2HPO4(ml)
5.7
93.5
6.5
5.8
92.0
8.0
5.9
90.0
10.0
6.0
87.7
12.3
6.1
85.0
15.0
6.2
81.5
18.5
6.3
77.5
22.5
6.4
73.5
26.5
68.5
31.5
6.6
62.5
37.5
6.7
56.5
43.5
6.8
51.0
49.0
6.9
45.0
55.0
7.0
39.0
61.0
7.1
33.0
67.0
7.2
28.0
72.0
7.3
23.0
7.4
19.0
81.0
7.5
16.0
84.0
7.6
13.0
87.0
7.7
10.5
89.5
7.8
8.5
91.5
7.9
93.0
5.3
94.7
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