How do I know whether I am supposed to use the Ka or the Kb?

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How do I know whether I am supposed to use the Ka or the Kb?

Postby Chem_Mod » Sun Aug 21, 2011 12:04 pm

How do I know whether I am supposed to use the Ka or the Kb?

Chem_Mod
Posts: 17839
Joined: Thu Aug 04, 2011 1:53 pm
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Re: How do I know whether I am supposed to use the Ka or the

Postby Chem_Mod » Sun Aug 21, 2011 12:05 pm

If you have a weak base in soln then use Kb. If a weak acid then use Ka. Remember you can always convert Ka to Kb and Kb to Ka. Ka x Kb = 10^-14


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