, . , . , , . .
(. 4).
4. .
H2CO3 + NaHCO3 - + - NaH2PO4 + Na2HPO4 CH3COOH + CH3COONa | |
NH4OH + NH4Cl |
53% , - 5%, - 7%, - 35%. , - . 80% .
. , , : 23 + 3- + Na+. , , 3- +, 3-:
3- + + + 3- + Na+ = 3- + Na+ + 23. 23, . 3- Na+ . 23 :
23 = 2O + CO2.
, N, Na+ -, 23, :
23 = + + 3-; + + 3- + Na+ +- = 2O +N+ + 3-.
3- N+ . .
. . . - , 1 , 1.
|
|
, . . . +, . 2. , + 3-. , , . . , , . , .
- - 10-20 .
, . - 1-3 .
: 7,37-7,41, - 7,34-7,35, . , , : 7,0 ( 6,8) 7,7; - 6,0 8,0; - 5,5 7,5. . , , , - . , . .
, , , . , .