3
(2005.):
1. :
A) 394, 399, 400, 402, 408
B) 395, 418, 426 ( , , 9.28 /, 1.31 /), 430().
2. :
a) :
0.2 MgCl2;
0.2 Na2SO4;
CaF2
Ag2SO4
b) :
( = 0.5∙10-4 /)
( = 10-4 /)
( = 10-4 /)
( = 10-4 /)
( = 10-4 /)
( = 10-4 /).
4
.
1. . () : , , , , . : -, - , - . ?
10 , 3 , 3 . , , , , . . , , . ½ CuSO4.
( ) 2-3 . ? ? ~0.5 . ( ).
2. . . . : , , , , . , (. ), :
a) , DͰ-., DͰ.
b) -, .
c) CuSO4, Na2S2O3, Na2SO4 ( )?
d) DͰ(NaCl) .
|
|
|
e) BaSO4 (. ).
23 , 2 . DͰ. NH4NO3, CuSO4 CuSO4∙5H2O.
| , .. , | 0 | 20 | 32 | 40 | 60 | 80 | 100 |
| : (), 100 | |||||||
| 122211 | |||||||
| NH4NO3 | |||||||
| NaCl | 35.7 | 35.9 | 36.4 | 37.2 | 38.1 | 39.4 | |
| Na2SO4 | 48.4 | 45.3 | 43.3 | 42.3 | |||
| Na2SO4∙10H2O | 4.5 | 19.2 | 49.8 | ||||
| uSO4∙5H2O | 14.3 | 20.5 | 28.7 | 39.5 | 55.5 | 77.0 | |
| BaSO4 | . . | ||||||
| Na2S2O35H2O | 50.2 | 70.1 | 105.0 | 191.3 | |||
| Na2S2O32H2O | 230.0 | 245.0 |
