题型:填空题 题类:真题 难易度:普通
贵州省黔西南州2020年中考化学试卷
a.40% b.37.5% c.28.6%
温度/℃ | 10 | 20 | 30 | 40 | |
溶解度/g | 氯化钠 | 35.8 | 36.0 | 36.3 | 36.6 |
碳酸钠 | 12.2 | 21.8 | 39.7 | 53.2 |
温度/℃ | 0 | 10 | 20 | 30 | 40 | |
溶解度/g | NaCl | 35.0 | 35.5 | 36.0 | 36.5 | 37.0 |
Na2CO3 | 6.0 | 10.0 | 18.0 | 36.5 | 50.0 |
温度/℃ |
10 |
20 |
30 |
40 |
50 |
60 |
|
溶解度/g |
NH4Cl |
33.3 |
37.2 |
41.4 |
45.8 |
50.4 |
55.2 |
KNO3 |
20.9 |
31.6 |
45.8 |
63.9 |
85.5 |
110 |
试题篮