2024年5月8日发(作者:庚榆)
[L]0.065000.006640.065000.20198
(2.5mM图)当A
0.06500时,0.259 或0.608
[M][L]0.22540.2254
又[M][L]2.5mM所以[M]a
1
1.8525 [L]b
1
0.6475或[M]a
1
0.98[L]b
1
1.52
[L]0.065000.012320.065000.44656
(5mM图)当A
0.06500时,0.125 或0.902
[M][L]0.62080.42293
又[M][L]5mM 所以[M]a
2
4.375 [L]b
2
0.62或[M]a
2
0.49[L]b
2
4.51
因为K
所以
xx
且n1
nn
(a
1
x)(b
1
nx)(a
2
x)(b
2
nx)
xx
解得x2.881210
4
-3-333
(0.9810-x)(1.5210-x)(0.4910x)(4.5110x)
0.28812
故配合物的稳定常熟K338
(0.980.28812)(1.520.28812)
所以该配位反应的标准摩尔吉布斯自由能G
m
RTlnK
8.314Jmol
1
K
1
301.1Kln33814.578kJmol
1
.20198
0.608
54
1.52
4656
0.902
3
1
10
4
2024年5月8日发(作者:庚榆)
[L]0.065000.006640.065000.20198
(2.5mM图)当A
0.06500时,0.259 或0.608
[M][L]0.22540.2254
又[M][L]2.5mM所以[M]a
1
1.8525 [L]b
1
0.6475或[M]a
1
0.98[L]b
1
1.52
[L]0.065000.012320.065000.44656
(5mM图)当A
0.06500时,0.125 或0.902
[M][L]0.62080.42293
又[M][L]5mM 所以[M]a
2
4.375 [L]b
2
0.62或[M]a
2
0.49[L]b
2
4.51
因为K
所以
xx
且n1
nn
(a
1
x)(b
1
nx)(a
2
x)(b
2
nx)
xx
解得x2.881210
4
-3-333
(0.9810-x)(1.5210-x)(0.4910x)(4.5110x)
0.28812
故配合物的稳定常熟K338
(0.980.28812)(1.520.28812)
所以该配位反应的标准摩尔吉布斯自由能G
m
RTlnK
8.314Jmol
1
K
1
301.1Kln33814.578kJmol
1
.20198
0.608
54
1.52
4656
0.902
3
1
10
4