, , .
) , . .
, III , (10-5 /) , (7,910-3 /).
) , .
, ( , ).
, .
, , , .
. , -, , .
4. . ().
B m A n, . B m A n :
B m A n↓ ↔ mBn+ + nAm-.
, :
[Bn+]m[Am-] n = K
[B m A n ]
. , 100%. [B m A n ] . , [Bn+]m[Am-] n = [B m A n ] = .
, .
[Bn+]m[Am-] n =
, . , .
. , , .
BaSO4 Ba2+ + SO42-
, ( ) Ba2+, SO42-
P = [Ba2+] = [SO42-].
.
[Bn+]m[Am-] n = , :
P2 = BaSO4; P = √BaSO4 =√1,110-10=110-5
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(/), .