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Home Q & A Board Science-Related Homework Help Chemistry (Moderator: Laser_3)
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buffyoumofo buffyoumofo
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11 years ago
Assume negliglible ionization to determine the percent ionization of each of the following acids:

a) 0.800 M solution of cyannic acid (HCNO, pKa = 3.46)
% ionization = ___________
b) 0.1000 M solution of hydroazoic acid (HN3, pKa = 4.60)
% ionization = ___________
c) 0.300 M solution of benzoic acid (HC7H5O2, pKa = 4.19)
% ionization = ___________
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#1
11 years ago
The equation for this problem is percent ionization= sqrt( Ka/Co) *100. So you will need to get your Ka value from the pka value given and the Co is the M concentration that is given to you. Plug everything in and it should work.
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