题型:单选题 题类:常考题 难易度:普通
福建省泉州市永春一中2018-2019学年九年级下学期化学期中考试试卷
温度℃ | t1 | t2 |
KNO3的溶解度(g/100g水) | 60 | 90 |
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 |
|
溶解度/g |
KCl |
31.0 |
34.0 |
37.0 |
40.0 |
42.6 |
45.5 |
48.3 |
51.1 |
54.0 |
KNO3 |
20.9 |
31.6 |
45.8 |
63.9 |
85.5 |
110 |
138 |
169 |
202 |
试题篮