常见无机物在水中的溶解度.docx
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常见无机物在水中的溶解度.docx
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常见无机物在水中的溶解度
不同温度下常见无机化合物的溶解度〔g/100g水〕
ABCFHIKLMNPSZ
<<
AgBr
-
-
8.4×10-6
-
-
-
-
-
-
-
**3.7×10-4
AgC2H3O2
0.73
0.89
1.05
1.23
1.43
1.64
1.93
2.18
2.59
-
-
AgCl
-
8.9×10-5
1.5×10-4
-
-
5*10-4
-
-
-
-
2.1×10-3
Ag
-
-
2.2×10-5
-
-
-
-
-
-
-
-
Ag2CO3
-
-
3.2×10-3
-
-
-
-
-
-
-
5×10-2
Ag2CrO4
1.4×10-3
-
-
3.6×10-3
-
5.3×10-3
-
8×10-3
-
-
1.1×10-2
AgI
-
-
-
3×10-7
-
-
3×10-6
-
-
-
-
AgIO3
-
3×10-3
4×10-3
-
-
-
1.8×10-2
-
-
-
-
AgNO2
0.16
0.22
0.34
0.51
0.73
0.995
1.39
-
-
-
-
AgNO3
122
167
216
265
311
-
440
-
585
652
733
Ag2SO4
0.57
0.70
0.80
0.89
0.98
1.08
1.15
1.22
1.30
1.36
1.41
AlCl3
43.9
44.9
45.8
46.6
47.3
-
48.1
-
48.6
-
49.0
AlF3
0.56
0.56
0.67
0.78
0.91
-
1.1
-
1.32
-
1.72
Al(NO3)3
60.0
66.7
73.9
81.8
88.7
-
106
-
132
153
160
Al2(SO4)3
31.2
33.5
36.4
40.4
45.8
52.2
59.2
66.1
73.0
80.8
89.0
As2O5
59.5
62.1
65.8
69.8
71.2
-
73.0
-
75.1
-
76.7
As2S5
-
-
5.17×10-5(291)
-
-
-
-
-
-
-
-
<<
B2O3
1.1
1.5
2.2
-
4.0
-
6.2
-
9.5
-
15.7
BaCl2·2H2O
31.2
33.5
35.8
38.1
40.8
43.6
46.2
49.4
52.5
55.8
59.4
BaCO3
-
1.6×10-3(281)
2.2×10-3(291)
2.4×10-3(297.2)
-
-
-
-
-
-
6.5×10-3
BaC2O4
-
-
9.3×10-3(291)
-
-
-
-
-
-
-
2.28×10-2
BaCrO4
2.0×10-4
2.8×10-4
3.7×10-4
4.6×10-4
-
-
-
-
-
-
-
Ba(NO3)2
4.95
6.67
9.02
11.48
14.1
17.1
20.4
-
27.2
-
34.4
Ba(OH)2
1.67
2.48
3.89
5.59
8.22
13.12
20.94
-
101.4
-
-
BaSO4
1.15×10-4
2.0×10-4
2.4×10-4
2.85×10-4
-
3.36×10-4
-
-
-
-
4.13×10-4
BeSO4
37.0
37.6
39.1
41.4
45.8
-
53.1
-
67.2
-
82.8
Br2
4.22
3.4
3.20
3.13
-
-
-
-
-
-
-
Bi2S3
-
-
1.8×10-5(291)
-
-
-
-
-
-
-
-
<<
CaBr2·6H2O
125
132
143
185(307)
213
-
278
-
295
-
312(378)
Ca(H2C3O2)2·2H2O
37.4
36.0
34.7
33.8
33.2
-
32.7
-
33.5
-
-
CaCl2·6H2O
59.5
64.7
74.5
100
128
-
137
-
147
154
159
CaC2O4
-
6.7×10-4(286)
6.8×10-4(298)
-
-
9.5×10-4
-
-
-
14×10-4〔368〕
-
CaF2
1.3×10-3
-
1.6×10-3(298)
1.7×10-3(299)
-
-
-
-
-
-
-
Ca(HCO3)2
16.15
-
16.60
-
17.05
-
17.50
-
17.95
-
18.40
CaI2
64.6
66.0
67.6
69.0
70.8
-
74
-
78
-
81
Ca(IO3)2·6H2O
0.090
0.17
0.24
0.38
0.52
-
0.65
-
0.66
0.67
-
Ca(NO2)2·4H2O
63.9
-
84.5(291)
104
-
-
134
-
151
166
178
Ca(NO3)2·4H2O
102.0
115
129
152
191
-
-
-
358
-
363
Ca(OH)2
0.189
0.182
0.173
0.160
0.141
0.128
0.121
0.106
0.094
0.086
0.076
CaSO4·1/2H2O
-
-
0.32
0.29(298)
0.26(308)
0.21(318)
0.145(338)
0.12(348)
-
-
0.071
CdCl2·2.5H2O
90
100
113
132
-
-
-
-
-
-
-
CdCl2·H2O
-
135
135
135
135
-
136
-
140
-
147
Cl2①
1.46
0.980
0.716
0.562
0.451
0.386
0.324
0.274
0.219
0.125
0
CO①
0.0044
0.0035
0.0028
0.0024
0.0021
0.0018
0.0015
0.0013
0.0010
0.0006
0
CO2①
0.3346
0.2318
0.1688
0.1257
0.0973
0.0761
0.0576
-
-
-
0
CoCl2
43.5
47.7
52.9
59.7
69.5
-
93.8
-
97.6
101
106
Co(NO3)2
84.0
89.6
97.4
111
125
-
174
-
204
300
-
CoSO4
25.50
30.50
36.1
42.0
48.80
-
55.0
-
53.8
45.3
38.9
CoSO4·7H2O
44.8
56.3
65.4
73.0
88.1
-
101
-
-
-
-
CrO3
164.9
-
167.2
-
172.5
183.9
-
-
191.6
217.5
206.8
CsCl
161.0
175
187
197
208.0
218.5
230
239.5
250.0
260.0
271
CsOH
-
-
395.5(288)
-
-
-
-
-
-
-
-
CuCl2
68.6
70.9
73.0
77.3
87.6
-
96.5
-
104
108
120
CuI2
-
-
1.107
-
-
-
-
-
-
-
-
Cu(NO3)2
83.5
100
125
156
163
-
182
-
208
222
247
CuSO4·5H2O
23.1
27.5
32.0
37.8
44.6
-
61.8
-
83.8
-
114
<<
FeCl2
49.7
59.0
62.5
66.7
70.0
-
78.3
-
88.7
92.3
94.9
FeCl3·6H2O
74.4
81.9
91.8
106.8
-
315.1
-
-
525.8
-
535.7
Fe(NO3)2·6H2O
113
134
-
-
-
-
266
-
-
-
-
FeSO4·7H2O
28.8
40.0
48.0
60.0
73.3
-
100.7
-
79.9
68.3
57.8
<<
H3BO3
2.67
3.72
5.04
6.72
8.72
11.54
14.81
18.62
23.62
30.38
40.25
HBr①
221.2
210.3
204(288)
-
-
171.5
-
-
150.5(348)
-
130
HCl①
82.3
77.2
72.6
67.3
63.3
59.6
56.1
-
-
-
-
H2C2O4
3.54
6.08
9.52
14.23
21.52
-
44.32
-
84.5
125
-
HgBr
-
-
4×10-6(299)
-
-
-
-
-
-
-
-
HgBr2
0.30
0.40
0.56
0.66
0.91
-
1.68
-
2.77
-
4.9
Hg2Cl2
0.00014
-
0.0002
-
0.0007
-
-
-
-
-
-
HgCl2
3.63
4.82
6.57
8.34
10.2
-
16.3
-
30.0
-
61.3
<<
I2
0.014
0.020
0.029
0.039
0.052
0.078
0.100
-
0.225
0.315
0.445
<<
KBr
53.5
59.5
65.3
70.7
75.4
80.2
85.5
90.0
95.0
99.2
104.0
KBrO3
3.09
4.72
6.91
9.64
13.1
17.5
22.7
-
34.1
-
49.9
KC2H3O2
216
233
256
283
324
-
350
-
381
398
-
K2C2O4
25.5
31.9
36.4
39.9
43.8
-
53.2
-
63.6
69.2
75.3
KCl
28.0
31.2
34.2
37.2
40.1
42.6
45.8
48.3
51.3
54.0
56.3
KClO3
3.3
5.2
7.3
10.1
13.9
19.3
23.8
-
37.6
46
56.3
KClO4
0.76
1.06
1.68
2.56
3.73
6.5
7.3
11.8
13.4
17.7
22.3
KS
177.0
198
224
255
289
-
372
-
492
571
675
K2CO3
105
108
111
114
117
121.2
127
133.1
140
148
156
K2CrO4
56.3
60.0
63.7
66.7
67.8
-
70.1
70.4
72.1
74.5
75.6
K2Cr2O7
4.7
7.0
12.3
18.1
26.3
34
45.6
52
73
-
80
K3Fe()6
30.2
38
46
53
59.3
-
70
-
-
-
91
K4Fe()6
14.3
21.1
28.2
35.1
41.4
-
54.8
-
66.9
71.5
74.2
KHC4H4O6
0.231
0.358
0.523
0.762
-
-
-
-
-
-
-
KHCO3
22.5
27.4
33.7
39.9
47.5
-
65.6
-
-
-
-
KHSO4
36.2
-
48.6
54.3
61.0
-
76.4
-
96.1
-
122
KI
128
136
144
153
162
168
176
184
192
198
208
KIO3
4.60
6.27
8.08
10.03
12.6
-
18.3
-
24.8
-
32.3
KMnO4
2.83
4.31
6.34
9.03
12.6
16.98
22.1
-
-
-
-
KNO2
279
292
306
320
329
-
348
-
376
390
410
KNO3
13.9
21.2
31.6
45.3
61.3
85.5
106
138
167
203
245
KOH
95.7
103
112
126
134
140
154
-
-
-
178
K2PtCl6
0.48
0.60
0.78
1.00
1.36
2.17
2.45
3.19
3.71
4.45
5.03
K2SO4
7.4
9.3
11.10
13.0
14.8
16.50
18.2
19.75
21.4
22.9
24.1
K2S2O8
1.65
2.67
4.70
7.75
11.0
-
-
-
-
-
-
K2SO4·Al2(SO4)3
3.00
3.99
5.90
8.39
11.70
17.00
24.80
40.0
71.0
109.0
-
<<
LiCl
69.2
74.5
83.5
86.2
89.8
97
98.4
-
112
121
128
Li2CO3
1.54
1.43
1.33
1.26
1.17
1.08
1.01
-
0.85
-
0.72
LiF
-
-
0.27(291)
-
-
-
-
-
-
-
-
LiOH
11.91
12.11
12.35
12.70
13.22
13.3
14.63
-
16.56
-
19.12
Li3PO4
-
-
0.039(291)
-
-
-
-
-
-
-
-
<<
MgBr2
98
99
101
104
106
-
112
-
113.7
-
125.0
MgCl2
52.9
53.6
54.6
55.8
57.5
-
61.0
-
66.1
69.5
73.3
MgI2
120
-
140
-
173
-
-
-
186
-
-
Mg(NO3)2
62.1
66.0
69.5
73.6
78.9
-
78.9
-
91.6
106
-
Mg(OH)2
-
-
0.0009(291)
-
-
-
-
-
-
-
0.004
MgSO4
22.0
28.2
33.7
38.9
44.5
-
54.6
-
55.8
52.9
50.4
MnCl2
63.4
68.1
73.9
80.8
88.5
98.15
109
-
113
114
115
Mn(NO3)2
102
118.0
139
206
-
-
-
-
-
-
-
MnC2O4
0.020
0.024
0.028
0.033
-
-
-
-
-
-
-
MnSO4
52.9
59.7
62.9
62.9
60.0
-
53.6
-
45.6
40.9
35.3
<<
NH4Br
60.5
68.1
76.4
83.2
91.2
99.2
108
116.8
125
135
145
NH4S
120
144
170
208
234
-
346
-
-
-
-
(NH4)2C2O4
2.2
3.21
4.45
6.09
8.18
10.3
14.0
-
22.4
27.9
34.7
NH4Cl
29.4
33.3
37.2
41.4
45.8
50.4
55.3
60.2
65.6
71.2
77.3
NH4ClO4
12.0
16.4
21.7
27.7
34.6
-
49.9
-
68.9
-
-
(NH4)2·Co(SO4)2
6.0
9.5
13.0
17.0
22.0
27.0
33.5
40.0
49.0
58.0
75.1
(NH4)2CrO4
25.0
29.2
34.0
39.3
45.3
-
59.0
-
76.1
-
-
(NH4)2Cr2O7
18.2
25.5
35.6
46.5
58.5
-
86
-
115
-
156
(NH4)2·Cr2(SO4)4
3.95
-
10.78(298)
18.8
32.6
-
-
-
-
-
-
(NH4)2·Fe(SO4)2
12.5
17.2
-
-
33
40
-
52
-
-
-
(NH4)2·Fe2(SO4)4
-
-
-
44.15(298)
-
-
-
-
-
-
-
NH4HCO3
11.9
16.1
21.7
28.4
36.6
-
59.2
-
109
170
354
NH4H2PO4
22.7
29.5
37.4
46.4
56.7
-
82.5
-
118
-
173
(NH4)2HPO4
42.9
62.9
68.9
75.1
81.8
-
97.2
-
-
-
-
NH4I
155
163
172
182
191
199.6
209
218.7
229
-
250
NH4MgPO4
0.0231
-
0.052
-
0.036
0.03
0.040
0.016
0.019
-
0.0195
NH4MnPO4·H2O
-
0.0031〔冷水〕
-
-
-
-
-
0.05〔热水〕
-
-
-
NH4NO3
118.3
-
192
241.8
297.0
344.0
421.0
499.0
580.0
740.0
871.0
(NH4)2PtCl6
0.289
0.374
0.499
0.637
0.815
-
1.44
-
2.16
2.61
3.36
(NH4)2SO4
70.6
73.0
75.4
78.0
81.0
-
88.0
-
95
-
103
(NH4)2SO4·Al2(SO4)3
2.1
5.0
7.74
10.9
14.9
20.10
26.70
-
-
-
109.7(368)
(NH4)2S2O8
58.2
-
-
-
-
-
-
-
-
-
-
(NH4)3SbS4
71.2
-
91.2
120
-
-
-
-
-
-
-
(NH4)2SeO4
-
117(280)
-
-
-
-
-
-
-
-
197
NH4VO3
-
-
0.48
0.84
1.32
1.78
2.42
3.05
-
-
-
NaBr
80.2
85.2
90.8
98.4
107
116.0
118
-
120
121
121
Na2B4O7
1.11
1.6
2.56
3.86
6.67
10.5
19.0
24.4
31.4
41.0
52.5
NaBrO3
24.2
30.3
36.4
42.6
48.8
-
62.6
-
75.7
-
90.8
NaC2H3O2
36.2
40.8
46.4
54.6
65.6
83
139
146
153
161
170
Na2C2O4
2.69
3.05
3.41
3.81
4.18
-
4.93
-
5.71
-
6.50
NaCl
35.7
35.8
35.9
36.1
36.4
37.0
37.1
37.8
38.0
38.5
39.2
NaClO3
79.6
87.6
95.9
105
115
-
137
-
167
184
204
Na2CO3
7.0
12.5
21.5
39.7
49.0
-
46.0
-
43.9
43.9
-
Na2CrO4
31.70
50.10
84.0
88.0
96.0
104
115
123
125
-
126
Na2Cr2O7
163.0
172
183
198
215
244.
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