[CHM 112] Negligible x

[Andrew J. Pounds]

On 07/20/14 19:00,  wrote:
>
> Hi Dr. Pounds,
>
>
> I have noticed that for several of the acid and base problems that you 
> assume x to be negligible. How are determining when it is or isn't?
>

Look back at lecture slide 37 for chapter 16. If the concentration of 
the weak acid or base divided by the appropriate dissociation constant 
is greater than 1000 then it is safe to use the approximation.


-- 
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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