Упрощенная HTML-версия
203
Тема 9. Растворы электролитов
в-т
«а»
«б»
1 Cu(NO
3
)
2
; H
2
S
Mn
2+
+ 2 OH ‾ = Mn(OH)
2
2 H
2
CO
3
; (CuOH)
2
SO
4
CO
3
2
‾ + 2 H
+
= H
2
O + CO
2
3 HClO; NaH
2
PO
4
Sr
2+
+ C
2
O
4
2
‾
= SrC
2
O
4
4 H
2
SO
3
; Al
2
(SO
4
)
3
Ba
2+
+ SO
4
2
‾ = BaSO
4
5 H
3
PO
4
; KClO
Ni
2 +
+ 2 OH ‾ = Ni(OH)
2
6 HNO
3
; KHCO
3
Pb
2+
+ SO
4
2
‾ = PbSO
4
7 H
2
Sе; Sr(OH)
2
Al
3+
+ 6 OH ‾ = [Аl(OH)
6
]
3
‾
8 HF; K
2
SO
4
Ag
+
+ Cl ‾ = AgCl
9 MnOHNO
3
; RbOH
H
+
+ OH ‾ = HOH
10 NaНCO
3
; Na
2
SеO
3
NH
4
+
+ OH ‾ = NH
3
+ H
2
O
11 H
2
S; Na
3
PO
4
PbI
2
+ 2 I ‾ = [PbI
4
]
2
‾
12 HBr; KHS
Fe
3+
+ 6 F ‾ = [FeF
6
]
3
‾
13 HNO
2
; CuOHNO
3
Al
3+
+ 6 F ‾ = [AlF
6
]
3
‾
14 HClO; Sr(OH)
2
Zn
2+
+ 4 OH ‾ = [Zn(OH)
4
]
2
‾
15 AlOH(NO
3
)
2
; HCN
Pb
2+
+ 2Cl ‾ = PbCl
2
16 K
2
SO
3
; H
2
SO
3
Ba
2+
+ CrO
4
2
‾ = BaCrO
4
17 CuOHCl; NH
4
NO
3
2 Ag
+
+ SO
4
2
‾ = Ag
2
SO
4
18 KНCO
3
; KClO
4
Cd
2+
+ 2 OH ‾ = Cd(OH)
2
19 FeSO
4
; HNO
2
Pb
2+
+ 4 OH ‾ = [Pb(OH)
4
]
2
‾
20 Pb(NO
3
)
2
; HCN
Be
2+
+ 2 OH ‾ = Be(OH)
2
21 MgOHCl; HClO
Mg
2+
+ 2 OH ‾ = Mg(OH)
2
22 NaHSO
4
; HBrO
AgI
+ I ‾ = [AgI
2
] ‾
23 BaOHCl; H
2
S
Fe
3+
+ 6 CN ‾ = [Fe(CN)
6
]
3
‾
24 K
2
HPO
4
; HNO
3
2 H
+
+ SiO
3
2
‾ = H
2
SiO
3
↓
25 H
2
S; KHSO
3
2 H
+
+ SO
3
2
‾ = SO
2
+ H
2
O
26 HNO
2
; KHCO
3
Pb
2+
+ 2I ‾ = PbI
2
27 K
2
SO
3
; AlOHCl
2
Ba
2+
+ SO
4
2
‾ = BaSO
4
28 NaHSO
3
; K
2
S
Ag
+
+ Br ‾ = AgBr
29 HCN; PbOHNO
3
H
+
+ OH ‾ = HOH
30 NaНCO
3
; Ba(OH)
2
Sn
2+
+ 4 OH ‾ = [Sn(OH)
4
]
2
‾