. , ( 58 97 %) , , . , .
.
:
2 Û + + -
:
=
( 25 1.8 10-9), , :
[+ ] × [-] = ×[2] = w = 10 -14
w . , ,
, . , . 10-14.
- , , .
, ( £ 0,1 ), 10-3 £ £ 10-9, .. :
= -lg +
, , () . , :
+ = 14
0£ £14, 0£ £7 , = 7 7 £ £14 .
:
: = - lg aH+.
: pH = 14 pOH.
: pH = ½ (pK lgC).
: pH = 14 1/2pK + ½ lgC.
: pH = 7 1/2pK 1/2lgC.
: pH = 7 + 1/2pK + 1/2lgC.
: pH = pKa + lg[] lg[].
H = pKa + lg[] - lg[].