. [Ag(NH3)2]+ = Ag+ + 2NH3 () Ag+ NH3. , , . , .
:
AgCl + 2KCN = K[Ag(CN)2] + KCl
AgCl + 2CN- = [Ag(CN)2]- + Cl-
, [Ag(CN)2]- , AgCl.
AgCl = Cl- + Ag+ + 2CN = [Ag(CN)2]-
(AgCl) = 5∙10-8 [Ag(CN)2]- = 1∙10-21
 |
CN-
[Ni(NH3)6]Cl2 , . , , .
[Ni(NH3)6]2+ = Ni2+ + 6NH3 + 6H+ = 6NH4+ + Ni2+
[Ni(NH3)6]2+ = 1∙10-8 [NH4]+ = 6∙10-10
 |
+
, , . ,
MgCl2+KCl=KCl∙MgCl2
: , , , . .
, , , ; :
(N4)2 SO4* Fe(SO4)↔ 2 (NH4)+ + 2SO42-+ Fe2+
 |
, , .
8
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