1.
: , , , , 50 , , .
: ) 50 5%; ) ; ) .
, 50 5%- Nal:
, 50 5%- Nal: ___________
: , . 40 NaCl , ,
(. . 2).
, -
,
.
___________________/ . 2
, .
( %) ___________________(. .1)
() ( /) :
( ) ( / -/) :
:
2.
: , , , 100 , , .
: ) 100 0,1 , ; ) ; ) .
: , , , . 100 0,1 , :
, ________ 100 . , ____________________________________, ( )
100 . -
(. . 3).
. 3
( ) ( / -/) :
1. NaCl HCl
|
|
NaCl (%) | (t = 20 0) | Cl (%) | (t = 15 0) |
1,0053 1,0125 1,0196 1,0268 1,0340 1,0413 1,0486 1,0559 1,0633 1,0707 1,0782 1,0857 1,0933 1,1008 1,1065 1,1162 1,1241 1,1319 1,1398 1,1478 1,1559 1,1639 1,1722 1,1804 1,888 1,972 | 1,009 1,019 1,029 1,039 1,049 1,059 1,069 1,079 1,089 1,1 1,11 1,121 1,132 1,142 1,152 1,163 1,173 1,183 1,194 |
1. 68 % - (ρ=1,41 /) 40 12 %- ? (: 5 32,92 )
2. 100 40 %- (ρ=1,437 /) 15 %- ? (: 240 .)
3. 2 NaOH Cu(OH)2 , 20 0,5 CuSO4.(: 10 ).
4. 20 %- H2SO4 (ρ=1.14 /). N .
5. 200 0,5 CuSO4∙5H2O.