[CHM 115] Lab Calculations -- online precision calculation tool

[Andrew J. Pounds]

Students -- I know that some of you are working on your two titration 
labs.  As we discussed last week, you will need to use the three trials 
from each set of labs that give the best average deviation.  I know that 
this can be a VERY time consuming process. For that reason I have 
written a small Java applet that essentially does this for you.  
Basically you enter three values (hitting enter after each value you 
enter) and the Java applet will show you the value of the average 
deviation.

Using this tool you should be able to isolate which three of your trials 
in each lab give you the best precision.  The tool is located in the LAB 
section of the class webpage.  Please let me know if you have any 
problems accessing it or using it.

Also -- you still need to do the precision calculation yourself for your 
report after you isolate the three trials; my online tool may not report 
the sig figs correctly.


-- 
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