题型:单选题 题类:真题 难易度:困难
温度/℃ | 20 | 30 | 40 | 50 | |
溶解度/g | KCl | 34.0 | 37.0 | 40.0 | 42.6 |
KNO3 | 31.6 | 45.8 | 63.9 | 85.5 |
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 |
KCl | 27.6 | 34.0 | 40.0 | 45.5 | 51.1 | 56.7 | |
KNO3 | 13.3 | 31.6 | 63.9 | 110 | 169 | 246 |
温度/℃ |
10 |
20 |
30 |
40 |
50 |
60 |
70 |
80 |
90 |
100 |
KNO3 |
20.9 |
31.6 |
45.8 |
63.9 |
85.5 |
110 |
138 |
169 |
202 |
246 |
NaNO3 |
80 |
87 |
95 |
103 |
114 |
125 |
136 |
150 |
163 |
170 |
温度/℃ |
0 |
20 |
40 |
60 |
80 |
100 |
|
溶解度/g |
A |
13.3 |
31.6 |
63.9 |
110 |
169 |
246 |
B |
35.7 |
36.0 |
36.6 |
37.3 |
38.4 |
39.8 |
|
C |
0.18 |
0.16 |
0.14 |
0.11 |
0.09 |
0.07 |
试题篮