Gwyneth
-Fabric
cart r
2Br
ca
-caton+
18 A
N. W.
Brz ze
->
2e
+
+
->
Ca
2Br+ca2+ + Brct
=
t
CaBr2
Ca
->
Ca
+
Bre
+
CI
Na
- -
-
Wall
2C1->
Nat +L1-
C12
+ 2e
(Nat +2e-2Na(x2)
nat+rete- zc+e
=(Nall-> 2Na+C12
k
g2
-
K4O2 = 282 4Kt
+
282-
02 4e
->
+ 4e
+
+
4K
4k
-
-
2214kt e
-
=2420
02+9K+e
02
->
4K
->
pb*Iz
+
pp*I
-
PbI2
21-
I2 2e
+
[
Pb*
-
2e
+
-
Pb
+
pb+21 2t Pb Iz
e
+
=Pb12
->
Pb
12
+