加入稀盐酸的体积/mL |
0 |
2 |
4 |
6 |
8 |
10 |
12 |
14 |
烧杯中溶液的 pH |
12.9 |
12.7 |
12.5 |
12.3 |
11.9 |
7.0 |
2.1 |
1.9 |