Short answer questions
1. Why it is necessary to rinse the pipette after washing with water?
Answers
Answered by
102
Answer:
When you're cleaning your glassware, you use water to rinse it off. If the burette is not completely dry by the time you use it, the remaining traces of water on the inside will make your titrant more dilute and thereby change its concentration.
Answered by
48
Answer:
The washing of the pipette or burette in titration process is done with the distilled water or tap water which gets attached to the surface of the pipette (residual water) and does not come out of the water.
This water can act as a contaminant to the solution while titration, so rinsing and re-rinsing are done with the solution it is going to be filled with, is done so that no water is left in the pipette.
Thus, rinsing is done to get rid of the residual water of the pipette.
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