In a volumetric determination of an analyte A, the data obtained and
their standard deviations are as follows:
Initial buret reading 0.23 mL 0.02 mL
Final buret reading 8.76 mL 0.03 mL
Sample weight 50.0 mg 0.2 mg
From the data, find the coefficient of variation of the final result for
the % A that is obtained by using the equation below (the equivalent
weight can be treated as having no uncertainty).
% A = tritrant volume x equivalent weight x 100/sample weight
Chemistry Homework Solutions
#24979
equivalent weight
Please help me solve the problem in the attachment.
First of all, I don't understand exactly what equivalent weight is.
Secondly, I know that the coefficient of variation is CV = (s/x) x 100%
So, what does the % analyte formula in the problem statement have to do with anything?
Thanks.
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