In an experiment a burrette was identified as the largest source of uncertainty, how could this uncertainty be reduced?

A burrette is a measuring apparatus a burrette measures the volume of liquid delivered during a titration. with each measurement there is an uncertainty with the recorded measurement of delivered liquid. When the volume of liquid delivered is larger, percentage error due to uncertainty decreases. So to decrease percentage error of total measurement and increase certainty the solution should be diluted. Diluting the solution in the burrette with diluted water would increase the volume delivered as the concentration is weaker in the burrette thus reducing percentage error and increasing certainty. As a larger volume has to be delivered to add the same amount of moles to the solution.

Answered by Jarrod G. Chemistry tutor

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