Аналитическая химия. Беляева Т.В - 53 стр.

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53
Таблица 3
Произведения растворимости малорастворимых
в воде веществ ( при различных температурах )
Формула t,ºC ПР Формула t,ºC ПР
Гидроксиды Сульфиды
Al(OH)
3
25
1.9 ⋅ 10
-33
Ag
2
S 25
1.6 ⋅ 10
-49
Co(OH)
2
18
1.6 ⋅ 10
-18
Ag
2
S
3
18
4.0 ⋅ 10
-29
Cr(OH)
3
17
5.4 ⋅10
-31
CdS 18
3.6 ⋅ 10
-29
Fe(OH)
3
18
3.8 ⋅10
-38
CoS (β)
18
2.0 ⋅ 10
-27
Fe(OH)
2
18
4.8 ⋅10
-16
CuS 25
8.5 ⋅ 10
-45
Mg(OH)
2
25
5.0 ⋅ 10
-12
FeS 25
3.7 ⋅ 10
-19
Mn(OH)
2
18
4.0 ⋅10
-14
HgS 18
4.0 ⋅ 10
-53
Ni(OH)
2
25
1.6 ⋅10
-14
MnS 18
1.4 ⋅ 10
-15
Sb(OH)
2
-
4.0 ⋅10
-12
NiS (γ)
18
2.0 ⋅ 10
-28
Cu(OH)
2
-
2.2 ⋅ 10
-20
PbS 18
1.1 ⋅ 10
-29
Zn(OH)
2
20
1.0 ⋅10
-17
SnS -
1.0 ⋅ 10
-28
Cd(OH)
2
-
5.7 ⋅10
-15
ZnS -
1.0 ⋅ 10
-24
Pb(OH)
2
-
2.5 ⋅10
-16
Tl
2
S -
1.0 ⋅ 10
-22
Галогениды Sb
2
S
2
-
4.0 ⋅10
-29
AgCl 25
1.6 ⋅ 10
-10
Сульфаты
AgBr 25
7.7 ⋅10
-13
Ag
2
SO
4
25
7.7 ⋅10
-5
AgJ 25
1.5 ⋅10
-16
BaSO
4
25
1.1 ⋅ 10
-10
PbCl
2
25
2.4 ⋅10
-4
CaSO
4
10
6.1 ⋅ 10
-5
PbBr
2
25
1.1 ⋅ 10
-6
PbSO
4
25
2.2 ⋅ 10
-8
PbJ
2
25
8.7 ⋅10
-9
SrSO
4
25
2.8 ⋅10
-7
HgCl
2
-
6 ⋅ 10
-14
BaSO
4
25
1.1 ⋅ 10
-10
HgBr
2
-
5 ⋅ 10
-18
CaSO
4
10
6.1 ⋅ 10
-5
HgJ
2
-
1.5 ⋅ 10
-24
PbSO
4
25
2.2 ⋅ 10
-8
Карбонаты SrSO
4
25
2.8 ⋅10
-7
Ag
2
CO
3
25
6.2 ⋅10
-12
Хроматы
BaCO
3
25
8.1 ⋅10
-9
PbCrO
4
20
1.8 ⋅10
-14
CaCO
3
20
3.8 ⋅10
-9
BaCrO
4
-
1.2 ⋅ 10
-10
MgCO
3
25
1.0 ⋅ 10
-5
Ag
2
CrO
4
-
4 ⋅ 10
-12
PbCO
3
25
7.5 ⋅10
-14
Оксалаты
SrCO
3
25
1.6 ⋅ 10
-9
CaC
2
O
4
-
2.3 ⋅10
-9
Фторид SrC
2
O
4
-
5.6 ⋅10
-8
CaF
2
-
4.0 ⋅10
-11
CdC
2
O
4
-
1.5 ⋅10
-8
Роданид Цианид
AgCNS -
1.1 ⋅ 10
-12
AgCN -
7 ⋅ 10
-15

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