温度/℃ |
0 |
10 |
20 |
30 |
40 |
50 |
|
溶解度/g |
NaCl |
35.7 |
35.8 |
36.0 |
36.3 |
36.6 |
37.0 |
NH4Cl |
29.4 |
33.3 |
37.2 |
41.4 |
45.8 |
50.4 |
A.两种溶液中溶剂的质量相等
B.两种溶液中溶质质量分数相等
C.t℃大于20℃