.
c +.
2 + 2 3+ + -.
+ :
2 + + -.
250 :
, :
:
( 295 )
(Kw KH2O)
2 = [ 2 ]=[+] [-] =10-14
- .
, 273 298 (250) 333 373(1000)
-10-14 0,11 1,0 9,55 55
20
.
-.
+ - - ...
25 0 [+] = [-] = =√10-14=10-7/
: , .
1. -.
+ - - ...
25 0 [+] = [-] = =√10-14=10-7/
2. - , ([+] >10- 7), .
[+]>[-].
3. [+] < [-] . <10-7,[+] < 10 -7, ,
, + - , , , .
, , +-:
PH = -lg[H+].
=lg [OH-].
, +=14
:
[+] = 10-3 /, =3, .
[+] = 10-12 /, =12 .
[+] >= 10-7 | [+] = 10-7 | [+]< 10-7 | |
p<7 | H=7 | H>7 |
- 7, .
- 7,
:
0-3 | 4-6 | 8-10 | 11-14 | ||
- | - | - | - |
,
|
|
1. .
2. , .
3. , .
.
.
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- .
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