*
1. 1 , .
2. .
3. , .
*
1. 2 5% 2.5% .
2. 2 3% , 2 - .
3. 2 3% 2 2.5% .
4. 5 .
5. .
.
1. (1-1.5 ), .
2. 20 . , , 3 . , .
3. .
4. 20 , -, 12:3:5. .
5. , .
6. . (2-3 ).
7. .
8. Rf . , .
II.
.
* 1%
1. , , 30, ~10%.
2. .
3. .
*
1. 2 1% , 2 0.01% , 2 0.01% b- 2 , .
2. 10 0,1% .
3. 70˚ 5 .
|
|
4. .
*
1. 1 1% , 1 0.01% , 1 1% 1 .
2. 5-6 .
3. ( ) 10% NaOH.
4. .
*
1. 2 1% , 2 0.02% 2 1% , .
2. 1 10% NaOH.
3. , 2 .
4. 3 Pb(CH3COO)2.
5. .
*
1. 1 0.01% , 1 1% .
2. 2 .
3. 1 H2SO4 (.), , , .
4. .
1. 5 0.01% , 5 1% .
2. 2 CH3COOH.
3. , .
4. 1 H2SO4 (.), , , .
5. .
-
1. 1 0.01% , 1 1% .
2. 1 10 0.04 (II).
3. ( ) 2 , .
4. 10 5 .
5. .