. () 3 , - , .
:
. 2 , 1 I ( !) 2 ( ). .5 .
: ___________________________________________________________________
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: , , , .. .
:
:
| 2 | 2 | 2 |
| + 1 I | + 1 I | + 1 I |
| + 2 II | + 2 II | + 2 II |
| 5 |
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: 10 10 10% . 10 . .
:
| + 1 I | + 1 HCI . |
| + 2 II | +2 |
| 5 | 5 |
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: , Cu+2 Cu+1
:
: 2 , 1 I 2 II. 5
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.
: , . , .
:
: 1 1 . 1 ( ). . , . .
|
|
|
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14
: .
:
1) 2,5% ;
2) Na, 2 /;
3) I, 2 /;
4) , 1% ();
5) - , 1% 0,025 / H2SO4.
:
1. 0,5 5 10 , . 5 .
2. 1 1 Na, 20 1 I.
3. 1 Na 1 I 1 .
4. 0,5 - 0,5 . 10 . 10 , =670 10 . . .
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15
3-
3- 3- 1,3- . , .
:
1) , 2% ;
2) ;
3) , 0,002% .
( ), , . , . , .
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