1. .
: Na2S2O3 (1 . 1:200) H2SO4 (2 . 1:200), , , .
: ) 0 1 2 . . , . : Na2S2O3 + H2SO4 → Na2SO4 + SO2 + H2O + S
, : _____. (0 ).
) (1:200) Na2S2O3 (1:200) :
:
| Na2S2O3 | H2O | H2SO4 | τ | ν= 1/ τ | |
| 0 | |||||
| 1 | |||||
| 2 | |||||
| 3 | - |
ν, -1
:
:
-
2.
: Na2S2O3 (1:200) H2SO4 (1:200), , , .
: , 2,5 , 2,5 . , Na2S2O3 H2SO4 . , 1 ______ , 10 0. 2 ______. , 20 0 . 3 ______.
:
| Na2S2O3 | H2SO4 | t (0) | τ | ν= 1/ τ | |
| 1 | |||||
| 2 | |||||
 3
|
ν, -1
:
: t, 0
3.
: ( ), 10%- , .
: , , . :_______________________________________________________
|
|
|
: ________________________________________________________
:
4.
: 3%- , (IV), , , .
: 10 3%- .
____________________________________________________________
(IV) . _________________________________
______________________________________, (IV)________________________.
_____________________________________
:
1. ?
2. (IV) : 2NO + O2 = 2NO2, 3 , ? (: 27 )
3. 2,5 10 0 0 60 0. 20 450? (: 9,88).
