pH
|
0.2mol/L Na2CO3(ml)
|
0.2mol/L NaHCO3(ml)
|
9.2
|
4.0
|
46.0
|
9.3
|
7.5
|
42.5
|
9.4
|
9.5
|
40.5
|
9.5
|
13.0
|
37.0
|
9.6
|
16.0
|
34.0
|
9.7
|
19.5
|
30.5
|
9.8
|
22.0
|
28.0
|
9.9
|
25.0
|
25.0
|
10.0
|
27.5
|
22.5
|
10.1
|
30.0
|
20.0
|
10.2
|
33.0
|
17.0
|
10.3
|
35.5
|
14.5
|
10.4
|
38.5
|
11.5
|
10.5
|
40.5
|
9.5
|
10.6
|
42.5
|
7.5
|
10.7
|
45.0
|
5.0
|
