题型:实验探究题 题类:常考题 难易度:困难
山西省太原市2013-2014学年九年级上册化学期末考试试卷
[作出猜想];
温度/℃ | 20 | 30 | 40 | 50 | 60 |
溶解度/g | 18.9 | 37.2 | 50.0 | 48.3 | 45.8 |
温度/℃ |
0 |
10 |
20 |
30 |
40 |
50 |
60 |
|
溶解度/g |
NaCl |
35.7 |
35.8 |
36.0 |
36.3 |
36.6 |
37.0 |
37.3 |
KNO3 |
13.3 |
20.9 |
31.6 |
45.8 |
63.9 |
85.5 |
110 |
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 |
试题篮