.
)
213+ + 3S2 + 62 = 21()3 + 32S
2 2 - 3 N41, N4 (NH4)2S . , , , - .
)
N K ( - )
13++3 = 1()3
= 5 - 10. .
5-6 1 2 N. .
)
N4 1()3, . N4 N41, . lO2 ( > 10), N4 13+,
lO2 + 4+ =13+ +22
r3+ F3+ , r()3 F()3, .
)
(1,2- 1462()2) - , . . . .
K4[F(N)6]. . (, F3 +), -. , . , 1 - 2 . . , .
. . .
|
|
|
.
((N4)1911()3 - ) c .
2
1 , 1 - 2 . N4 2 - 3 (NH4)2. . . , , , F3+, r3+ 2+. , , , - . , .
)
8- ( ) - , .
2.
: (III), r3+, (VI), - r42, () - r27. (III) , - , - .
r3+
)
r()3 - - , .
2r3+ + 3S2 + 62 - 2r()3 + 32S
r() - . ()
r2 + 22 = r()3 +
N K, N4 Na2, N2S3 . (III) . .
) (III) (VI)
(22, Na22, 12, Kn4 ..) () (VI). r272, - r42. (III) 22
2r2 + 2 + 322 = 2rO42 + 42
2 - 3 (III) 2 , . 2 - 3 3%- . , , rO42.
