题型:单选题 题类:常考题 难易度:普通
浙江省绍兴市越城区2019-2020学年八年级上学期期末考试科学试题
温度/℃ |
20 |
30 |
40 |
50 |
60 |
70 |
溶解度/克 |
20.7 |
25.0 |
28.5 |
33.0 |
40.0 |
47.1 |
温度/℃ |
0 |
20 |
40 |
60 |
80 |
100 |
|
溶解度/g |
氯化钠 |
35.7 |
36.0 |
36.6 |
37.3 |
38.4 |
39.8 |
硝酸钾 |
13.3 |
31.6 |
63.9 |
110 |
169 |
246 |
温度/℃ | 0 | 20 | 40 | 60 | 80 | 100 | |
溶解度/g | 氯化钠 | 35.7 | 36.0 | 36.6 | 37.3 | 38.4 | 39.8 |
硝酸钾 | 13.3 | 31.6 | 63.9 | 110 | 169 | 246 |
温度(℃) |
0 |
10 |
20 |
30 |
40 |
|
溶解度(g) |
A |
35 |
35.5 |
36 |
36.5 |
37 |
B |
6 |
10 |
18 |
36.5 |
50 |
温度/℃ |
20 |
30 |
40 |
50 |
60 |
|
溶解度/g |
氯化钠 |
36.0 |
36.3 |
36.6 |
37.0 |
37.3 |
硝酸钾 |
31.6 |
45.8 |
63.9 |
85.5 |
110 |
试题篮