(). , , 7,36. - , .
, , .
( ) :
) - , ;
) - , .
:
3
3Na - ;
23
NaHCO3 - ;
NH4OH
NH4Cl -
2PO4
Na2HPO4 -
Pt COOH -
Pt COONa - - (Pt -).
, . , , ,
3 Û + + 3 -
3Na Þ3- + Na+
. , :
= ,
[H+ ] = ×
( = 1,86× 10-5) (3 -). , .. :
3 Ü 3 - + +
. , . , :
[H+ ] = ×
, , ,
[OH -] = ×
. :
pH = pK + lg[] lg[].
H = pK + lg[] - lg[].
, . , , , .
|
|
, . () , 1 , 1:
,
: D , 1 (D = 1 0).