Table 2:
Thermodynamic data for calculated concentrations in the Pb
2+
-I
-
-Cit-H
2
O and Pb
2+
-I
-
-EDTA-H
2
O aqueous solutions.
S. No.
Relation
Constant
1
Pb
2+
2I
-
=PbI
2
9.80x10
-9
2
Pb
2+
+2OH
-
=Pb(OH)
2
1.43x10
-15
3
Pb
2+
+C
6
H
6
O
7
2-
=Pb(C
6
H
6
O
7
)
10
6.5
4
Pb
2+
+C
10
H
14
N
2
O
8
2-
=C
10
H
14
N
2
PbO
8
10
18.3