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April 24, 2014

Homework Help: Chemistry

Posted by anonymous on Monday, April 20, 2009 at 11:42pm.

Known:
Cyanaocetic acid
Ka=3.55*10^-3
ionization equation: HC3H2NO2<==> H^+ + C3H2NO2^-
Unknown: pH of 0.4M of Cyanaocetic acid

I can't figure out how to calculate this. I only knew how to calculate the pH value of an acid with a known Ka, but not in this case.

Also, I want to know the second ionization equation of succinic acid because I need to find the Ka expression of this.
Can someone please help me out. Thanks in advance for helping out.

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