1 100 .
5% (CH3COO)2Pb, NaNO2, CuSO4, CaCl2
5.3 100 .
10% NaOH, CuSO4,
11.1 100 .
0.5 100 .
0.5 100 , .
( 1.40) , . .
: 30% NaOH 5% (CH3COO)2Pb.
42.9 NaOH 100 . 5.3 (CH3COO)2Pb 100 .
1 . 1-2 1 .
2 . , 0.9% . , .
, 20- .
, 700 300 .
HCl
. . HCl ρ = 1.183 / (36%), 100 0.01 0,85 HCl.
: 1) 9.1 (KH2PO4) 1 ; 2) 11.86 (Na2HPO4) 1 . =6.0 9 1- 2- .
, NaCl, (NH4)2SO4,
(, , ).
20 100 .
40 /. 5 0.01 HCl : 42 , 42 , 36 , 33 , 36 , 26 . , 0.1 0.9 0.01 HCl. 4 / . , 1 10 0.01 HCl. , 4 /.
|
|
|
5.28
1 : 24.6 , 14.4 NaOH, 6.8 35% HCl, 0.1 .
, . 1- 1 100 ; 2- 1 50 100 . 100 1- + 20 2-.
. 1) 200 150 . 2) 40 . .
.
1.5 60 ( ) 300 10 % 1 .
0.4% KMnO4
0.4 KMnO4 100 .
0.05 KMnO4
7.9 KMO4 1 .
0.003 I2
0.4 I2 1 .
NaOH
4 NaOH 1 .
NaOH
0.2 NaOH 1 .
NaOH
0.4 NaOH 100 .
0.1 (Na2S2O3)
7.9 Na2S2O3 1 .
