题型:单选题 题类:常考题 难易度:普通
湖北省恩施州利川市谋道镇苏马荡教育集团2017-2018学年九年级下学期化学期中考试试卷
温度(℃) | 10 | 20 | 30 | 40 | |
溶解度/g | KNO3 | 20.9 | 31.6 | 45.8 | 63.9 |
NaCl | 35.8 | 36.0 | 36.3 | 36.6 |
温度/℃ |
0 |
10 |
20 |
30 |
40 |
50 |
60 |
|
溶解度/g |
Na2CO3 |
7 |
12.2 |
21.8 |
39.7 |
48.8 |
47.3 |
46.4 |
NaCl |
35.7 |
35.8 |
36.0 |
36.3 |
36.6 |
37.0 |
37.3 |
|
NH4Cl |
29.4 |
33.3 |
37.2 |
41.4 |
45.8 |
50.4 |
55.2 |
|
NaHCO3 |
6.9 |
8.2 |
9.6 |
11.1 |
12.7 |
14.5 |
16.4 |
试题篮