如图是a、b、c三种固体物质的溶解度曲线,请回答下列问题:
温度/℃ | 0 | 20 | 40 | 60 | 80 | |
溶解度/g | NaCl | 35.7 | 36.0 | 36.6 | 37.3 | 38.4 |
KNO3 | 13.3 | 31.6 | 63.9 | 110 | 169 |
温度/℃ |
0 |
20 |
40 |
60 |
80 |
100 |
|
溶解度/g |
NaCl |
35.7 |
36.0 |
36.6 |
37.3 |
38.4 |
39.8 |
KNO3 |
13.3 |
31.6 |
63.9 |
110 |
169 |
246 |
温度(℃) | 0 | 20 | 40 | 60 | 80 | 100 | |
溶解度 (g) | NaOH | 31 | 91 | 111 | 129 | 313 | 336 |
Ca(OH)2 | 0.19 | 0.17 | 0.14 | 0.12 | 0.09 | 0.08 |
温度/℃ | 0 | 20 | 30 | 50 | 60 | 80 | 90 | |
溶解度/g | KNO3 | 13.3 | 31.6 | 45.8 | 85.5 | 110 | 169 | 200 |
Ca(OH)2 | 0.185 | 0.165 | 0.153 | 0.138 | 0.116 | 0.094 | 0.085 |