時(shí)間/min |
0 |
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
10 |
溫度/℃ |
-2 |
-1 |
0 |
0 |
0 |
0 |
0 |
2 |
4 |
6 |
8 |
鹽水濃度(%) |
0 |
3 |
6 |
9 |
12 |
15 |
18 |
21 |
24 |
27 |
30 |
凝固點(diǎn)(℃) |
0 |
-2 |
-4 |
-6 |
-8 |
-11 |
-15 |
-18 |
-17 |
-1.8 |
-0.4 |
分析表格中數(shù)據(jù)可知,當(dāng)鹽水濃度增大時(shí),其凝固點(diǎn).