Unformatted text preview: oximately 20 - 30 mL. For each of the 3 acceptable trials used in the titration of your
calcium carbonate samples, enter the precise volume in milliliters of EDTA solution (e.g.
20.34 mL). Be sure to enter your volumes in the corresponding order that you entered
your masses of calcium carbonate previously. For instance, the mass of calcium
carbonate you entered for entry #1 above should correspond to the volume of EDTA
solution that you enter for entry #1 here.
Using the volumes of sodium EDTA solution you just entered and the corresponding
calcium carbonate masses entered earlier, calculate the molarity of the sodium EDTA
solution for each trial. Enter your calculated molarity of the EDTA solution for each trial.
Be sure to enter your calculated molarities in the corresponding order that you entered
your EDTA volumes previously. For instance, the EDTA volume you entered for entry
#1 above should correspond to the molarity that you enter for entry #1 here.
The molarity of the EDTA solution is taken as the average of the three trials. Please enter
the average molarity.
Please enter the standard deviation of the EDTA molarity.
View Full Document
This note was uploaded on 04/09/2013 for the course CHE CHE 2C taught by Professor Nasiri during the Spring '07 term at UC Davis.
- Spring '07