pKa  [ENDORSED]

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MariaJohn1D
Posts: 50
Joined: Wed Nov 08, 2017 3:01 am

pKa

Postby MariaJohn1D » Wed Jun 06, 2018 4:26 pm

How do you know the pKa?
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Jessica Urzua-1H
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Joined: Tue Nov 14, 2017 3:01 am

Re: pKa  [ENDORSED]

Postby Jessica Urzua-1H » Wed Jun 06, 2018 6:10 pm

You would have to do research in order to figure out the pKa of a molecule. It cannot simply be figured out just by looking at the molecule.
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Salena Chowdri 1I
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Joined: Fri Apr 06, 2018 11:02 am

Re: pKa

Postby Salena Chowdri 1I » Wed Jun 06, 2018 9:16 pm

You will need to find the concentration of products (ions) and the initial acid through experimentation (when mixed with water). In this case, pH is often equal to pKa. The general equation would be: [+ion][-ion]/[acid]
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SamanthaGrohe1B
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Joined: Fri Apr 06, 2018 11:03 am

Re: pKa

Postby SamanthaGrohe1B » Sun Jun 10, 2018 11:28 pm

I thought pKa and Ka was not material covered in the 14A final? Will we be tested on this as well?
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