.
- - , , , - , . - - - . ,
, , .. , .
, , , , .
. , AgN03+ KJ = AgI + KNO3, .
. AgNO3 .
- Ag+:
{[mAgJ] nAg+ (n-x)N03} xNO3
1 2 3 4
. KJ .
- I-.
{[mAgJ] n I- (n-)K+} K+
1 2 3 4
:
(1) - , .
(1) (2), ( );
(3) ; (4) .
, , .
, . H+, , -, .
, -
. , , AgJ, Ag+, I-. . , . , , . , . AgJ, , NO3-, I- S042-. , SO42-, , .
|
|
AgJ .
Ag NO3 :
{[n AgJ] mAg+ (m - ) NO3- } xNO3-
, -
. . , .
1. , , [n] = 0,0215, - K=1,85 10 -5 = 0,56.
. - , [n] = Mra, a
t
lg[n] = lgK+ lg Mr lg Mr
: lg = 5,477 r= 3 105