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 |