[CHM 115] Take home quiz

[Andrew J. Pounds]

You have to use the stoichiometric ratio.  Also, make sure your 
temperatures are in KELVIN.

On 11/19/14 19:55,
> Hey Dr. Pounds!
> Sorry, but I have a question about the lab now. In class you talked 
> about finding the concentration of B4O5(OH)4 2- and wrote out the 
> equations. Once we figure out how many moles of HCl we used for the 
> titration, is that equal to the moles of B4O5(OH)4 2-, or do we have 
> to divide it by two because of the stoichiometric ratio between H+ and 
> B4O5(OH)4 2- in the second equation?
>
>
> On Wed, Nov 19, 2014 at 4:13 PM, Andrew J. Pounds 
> <pounds_aj at mercer.edu <mailto:pounds_aj at mercer.edu>> wrote:
>
>     Yes.  In other words you are adding the base to the buffer solution.
>
>
>     On 11/19/14 15:19, wrote:
>
>
>         Hi Dr. Pounds!
>         For question 2 on the quiz, are 500 ml being added to the one
>         liter volume and 10 grams of NaOH in first problem? It doesn't
>         say an additional 500 ml of NaOH is added so I wasn't sure.
>         Thanks!
>
>
>
>     -- 
>     Andrew J. Pounds, Ph.D.  (pounds_aj at mercer.edu
>     <mailto:pounds_aj at mercer.edu>)
>     Professor of Chemistry and Computer Science
>     Mercer University,  Macon, GA 31207 (478) 301-5627
>     <tel:%28478%29%20301-5627>
>     http://faculty.mercer.edu/pounds_aj
>
>
>
>
> -- 
> - Annalise


-- 
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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