[CHM 112] Additional Problem

[Andrew J. Pounds]

On 07/21/13 16:56, Mary Caroline Logan wrote:
> Hey Dr. Pounds,
> For number 7 on the additional problems sheet, how did you come up with the Kb value? Did you find that on a table? Also, from NH4Cl, how did you know to use the reaction formula NH4+ + H2O <> H3O+ + NH3 ?
>
>
I had to look the value up in a table.  In solution NH4Cl is going to 
completely dissociate into the ammonium ion and the chloride ion.  For 
that reason I knew I had to set up a hydrolysis reaction.

You might want to take a look at Sample problem 16.21 on page 707 of 
your text.


-- 
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