.
( ) [H+] = [OH-] = 10-7 /. , [H+] 10-7 /, [OH-] 10-7 /. , , [H+] 10-7 /, [OH-] 10-7 /.
[H+] [OH-] 3 :
, [H+] [OH-] :
[H+] = [OH-] = 10-7 /
, [H+] [OH-]:
[H+] ≥ [OH-]; [H+] ≥ 10-7 /
, [H+] [OH-]:
[H+] ≤ [OH-]; [H+] ≤ 10-7 /
[H+] [OH-] = 10-14, , .
1. [H+] = 10-2 /. [OH-], ?
:
[OH-] = H2O = 10-14/ 10-2 = 10-12 /; .
[H+]
- , .
4. () :
= - lg[+]
= - lg 10-7 = 7
≤ 7, , . ≥ 7, , .
[+] ( . 31).
. , -. .
5. , , .. .
, , . .
, (1-10; 0-12). - , . .
, pH . pH , pH .
|
|
pH - . , 7,4; 1,85; 7,7, 6,0-7,0.
, . - , - . pH .