You and your partnet did not dispense exactly the target volume form the buret.
ID: 475932 • Letter: Y
Question
You and your partnet did not dispense exactly the target volume form the buret. The target of dye was 3.5 mL, and you dispensed 3.48mL. Does this mean the solutions have to be made over again? Why or why not? In this experiment we instructruct you to make the dye using volumetric flasks and a buret. How does this method differ form using two-syringe, one for dye solution and one for solvent? What assumption do you need to make about the final solution volume if you use syringes to make your dilutions?
Explanation / Answer
If two students dispensed different volumes,
3.5 ml and 3.48 ml
The solutions need not be made again, the values at the end will be within the experimental error range. An average of the two would give the accurate value.
If instead a two syringe method is used, the accuracy for the solution thus made would be greater and less chances of error would be seen. The ssumption thus made is that all the syringes dispense same volumes when measured in the same fashion.
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