请回答下列问题:
物质 |
溶解度/(g/100g水) |
||
0℃ |
40℃ |
80℃ |
|
KCl |
28 |
40.1 |
51.3 |
NaCl |
35.7 |
36.4 |
38 |
K₂Cr2O7 |
4.7 |
26.3 |
73 |
Na₂Cr2O7 |
163 |
215 |
376 |