, . , :
2+, Mg2+ Fe2+;
HCO 
, SO 
, NO , l, 
.
, 1 3 . () ().
1 2+ Mg2+ , 1 3 . 1 20,04 /3 2+ 12,16 /3 Mg2+.
:
l) 1,5 /3 (, );
2) 1,5 /3 3,0 /3;
3) 3,0 ÷ 6,0 /3;
4) 6,0 ÷ 9,0 /3;
5) 9 /3 (, ).
, . 2+ Mg2+ (, 1735N) , . :
2 1735 + 2+ = (1735)2;
2 1735 + Mg2+ =(C17H35COO)2Mg.
, , , .. 7 /3; , .
( ) , (3)2 Mg(HCO3)2, ( ) , (CaSO4, 12, MgSO4, MgCl2). .
, .
, HCO , O 
, Mg2+ Ca2+, , , . - . . :
HCO + + = 2 + 2 ↑;
(3)2 + 21 = l2 + 22 ↑ + 22;
Mg(HCO3)2 + 2HCl = MgCl2 + 22 ↑ + 22.
() , III, 2+, Mg2+, Fe2+ ..
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HOOCH2C CH2COOH
N-CH2- CH2-N
OOCH2C CH2COO
Ca
, . , -. .
, ( ).
,
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(3)2 
3 + 2 + 2 ,
|
Mg(HCO3)2 Mg(OH)2 + 2CO2.
Fe2+ - , FeCO3 , Fe(OH)3. , .
:
(3)2 + ()2 = 23 + 22,
(3)2 + Na2CO3 = CaCO3 + 2NaHCO3.
, , :
CaSO4 + Na2CO3 = 3 + Na2SO4.
, , , ()2 .
, , . 2+ Mg2+ Na+
2NaAlSi2O6, + 2+ = Ca(AlSi2O6)2, + 2Na+.
, , RSO3H RSO3Na:
2RSO3Na + 2+ = (RSO3)2Ca + 2Na+.
: 25 3, 250 3, 100 3, 25 3, 50 3, , , ; 0,1 : ; - ( = 9÷10), , , .
1.
1. ( ) (Cl) = 0,1 /3 .
2. 100 3 .
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3. 3 . .
4. , - -.
5. , , . 7.
6. .
7
