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April 26, 2015

Homework Help: Chemistry/pH- Weak Acid

Posted by Mary on Monday, August 18, 2008 at 9:24am.

in response to Chemistry/pH- Weak Acid.
but the rule of 5%?
0,0100/(1.00x10^-4) =100%
The aproximation you do is not valid...or?
Ka= (1,0*10^(-4))^2/(x-1*10^(-4) )=1,00*10^(-6)....I got c=0,0101M
:-(

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