[CHM 112] lab report

Andrew J. Pounds pounds_aj at mercer.edu
Thu Mar 24 09:22:13 EDT 2016


On 03/24/2016 09:04 AM,
> I’m completely lost on how to find the Ka and pKa of the buffer 
> solution from last week’s lab. I’ve read the textbook chapter and 
> looked online, but nothing I've found has been helpful, as it seems 
> that I need molar mass to find the concentration so I can make the 
> calculations, but I don’t have that information. Is there any way you 
> could explain how to find the Ka and pKa with what we have, or give us 
> a hint to lead us in the right direction? Thank you!
>

When you recombined unknown that you titrated with the half you kept 
separate and measured the pH you also measured the pKa of the acid.


-- 
Andrew J. Pounds, Ph.D.  (pounds_aj at mercer.edu)
Professor of Chemistry and Computer Science
Mercer University,  Macon, GA 31207   (478) 301-5627
http://faculty.mercer.edu/pounds_aj

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