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July 31, 2015

Homework Help: Chemistry

Posted by Sarah on Tuesday, October 4, 2011 at 6:55pm.

a) Calculate [H3O^+] in a 0.15M solution of benzonic acid, HC7H5O2(aq) having K of 6.4x10^-5.

b) Calculate the per cent ionization of the HC7H5O2.

I got..

A) 0.16M but i did it again and got 7.2M so i'm very stuck as to the very different answers i got.

B) 12.4% ionization.

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