[CHM 115] Lab 11

[Andrew J. Pounds]

On 11/04/14 21:30,  wrote:
> Hi Dr. Pounds,
> This might be a stupid question, but for lab 11 wouldn't the initial concentrations for Fe+3 and SCN- all be .002 M for tubes 1-5??
>
> Thank you,
>
> Sent from my iPhone


No.  Since you are using different volumes for the SCN-, the 
concentrations will vary.   For example,

In tube 1 the initial concentration of Fe3+ will be

(0.00500 L)(0.00200 M)/(0.01000 L) = 0.00100 M

the initial SCN- concentration will be

(0.00100 L)(0.00200 M)/(0.01000 L) = 0.00020 M














-- 
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