查表求得
K=
1.0106+[(1.0106-1.0108)/(0.7550-0.7500)](0.7542-0.7550)+
[(1.0095-1.0106)/(11.0-10.0)](10.3-10)=1.0106+0.000032-
0.00033=1.0103
(2)t=28℃,ρ
20
=0.7369g/cm
3
查表求得
K=
0.9910+[(0.9911-0.9910)/(0.7400-0.7350)](0.7369-
0.7350)=0.9910+0.000038=0.99104
3、求V
20
(用K值计算)(5分)
(1)V
t
=3500 升,t=25.6℃,ρ
20
=0.7563g/cm
3
查表求得
K=
0.9937+[(0.9938-0.9937)/(0.7600-0.7550)](0.7563-0.7550)+
[(0.9937-0.9947)/(26.0-25.0)](25.6-
26)=0.9937+0.000026+0.0004=0.99413
V
20
=K
×V
t
=0.99413×3500=3479(升)
4、求M(每小题 5 分)
0.7500
0.7550
10.0
1.0108
1.0106
11.0
1.0097
1.0095
0.7350
0.7400
28.0
0.9910
0.9911
29.0
0.9898
0.9900
0.7550
0.7600
25.0
0.9947
0.9948
26.0
0.9937
0.9938