1. .
2. .
3. (), .
4.. .
5. .
6. .
|
_______________________ ______________
1.
. , .
___________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
1. 6 :
6
| ||||||
1 | 2 | 3 | 4 | 5 | 6 | |
(0,9%), | 5 | 4 | 4 | |||
, | 5 | |||||
(5%), | 5 | |||||
, | 1 | |||||
, | 1 | |||||
NaCl, (3%), | 5 | |||||
, | 5 | 5 | 5 | 5 | 5 | 5 |
: (+) (-) |
:
__________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
|
|
2.
1. 7.
7
|
| ||||||
1 | 2 | 3 | 4 | 5 | 6 | ||
N1, 1%, | 9 | 7 | 5 | 4 | 3 | 2 | |
, | 1 | 3 | 5 | 6 | 7 | 8 | |
, | 10 | 10 | 10 | 10 | 10 | 10 | |
N1, % | 0,9 | 0,7 | 0,5 | 0,4 | 0,3 | 0,2 | |
| |||||||
2. , .
_______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
___________ ________________
11
:
1. .-. , .
2. .
3. .
4. , .
______________________ _______________
1.
1. ,
.
2. :
: :
______________________ ____________________
______________________ ____________________
3. .
____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
2.
1. .
2. , 8 .
|
|
8
|
| |
1 () | 2 () | |
, | 10 | 10 |
, | - | 1 |
, . | 1-2 | 1-2 |
0,1 NaOH, . | - (1-2 ) | - |
: = (n - m) x 10,
n 0,1 NaOH,
;
m 0,1 NaOH,
(10 );
10 V V . .
( 40-70 , ).
/ m =
3. , 9 :
9
| ||
1 () | 2 () | |
, | 10 | 10 |
, | - | 1 |
, . | 2-3 | 2-3 |
0,1 HCl, . | 1-2 (- ) | - |
:
= (n - m) x 10,
n 0,1 HCl,
;
m 0,1 HCl,
(10 );
10 V V . .
( 40-70 , ):
/ m =
4. . , ?
/ =
_____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
:______________ :_________________
12