ACEE 434 Environmental Systems Design - Korea University
ACEE 434 Environmental Systems Design - Korea University
ACEE 434 Environmental Systems Design - Korea University
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pH<br />
• The concentration range suitable for the existence of most biological life is<br />
quite narrow and critical (typically 6 to 9).<br />
+<br />
pH = −logl<br />
10 [<br />
H<br />
]<br />
O H 2<br />
↔<br />
H<br />
+ +<br />
OH<br />
−<br />
[ H<br />
][ OH<br />
H O<br />
+<br />
2<br />
−<br />
]<br />
=<br />
K<br />
http://www.techneusa.com/ph/3510.jpg<br />
[ H<br />
+<br />
][ OH<br />
−<br />
] =<br />
−14<br />
Kw = 1×<br />
10 @ 25<br />
o<br />
C<br />
pH + pOH =14<br />
<strong>ACEE</strong> <strong>434</strong> Fall 2009 HDP 17
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