What are the roles of a pipette and a burette in titration?

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SUMMARY

The discussion clarifies the distinct roles of pipettes and burettes in titration processes. A pipette, specifically a volumetric pipette, is used to accurately transport a fixed volume of the aqueous reactant to the flask, while a burette is utilized to deliver the titrant and measure the volume needed to reach the equivalence point. Both instruments, along with a flask, are essential for conducting titrations effectively. Additionally, a magnetic stirrer is recommended for ensuring proper mixing of the solution during the titration.

PREREQUISITES
  • Understanding of volumetric pipettes and their accuracy
  • Knowledge of burette functions and usage in titration
  • Familiarity with the concept of equivalence point in titration
  • Basic skills in laboratory techniques and safety
NEXT STEPS
  • Research the operation and calibration of volumetric pipettes
  • Learn about the proper use of burettes in titration experiments
  • Study the concept of the equivalence point and its significance in titration
  • Explore the benefits of using magnetic stirrers in chemical mixing
USEFUL FOR

This discussion is beneficial for chemistry students, laboratory technicians, and educators involved in teaching or conducting titration experiments, as well as anyone looking to enhance their understanding of laboratory glassware and its applications in analytical chemistry.

pivoxa15
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Is a pipette used to transport the aqeous reactant to the flask.
Is a burette used to transport the titrant in the flask.

So a pipette is smaller than a burette? What other differences between the two. Is flask, pipette and burette the key instruments in titration?
 
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pivoxa15 said:
Is a pipette used to transport the aqeous reactant to the flask.
Is a burette used to transport the titrant in the flask.

So a pipette is smaller than a burette? What other differences between the two. Is flask, pipette and burette the key instruments in titration?

You are correct on everything. A pipette is an extremely accurate piece of glassware that always delivers the same amount of fluid to a flask if used properly (or breaker or some other container). The burette delivers a titrant, allowing you to observe how much titrant is needed to reach your goal of the experiment (such as the equivalence point).

In addition to the equipment above, it is important to have a magnetic stirrer so that the solution is evenly mixed.

Wikipedia has some light reading on these instruments
http://en.wikipedia.org/wiki/Burette
http://en.wikipedia.org/wiki/Pipette
--
 
Last edited by a moderator:
pivoxa15 said:
Is a pipette used to transport the aqeous reactant to the flask.
Is a burette used to transport the titrant in the flask.

So a pipette is smaller than a burette? What other differences between the two. Is flask, pipette and burette the key instruments in titration?

Chemhelper was referring to a volumetric pipette, you want to use it to deliver a fixed volume of the solution that is to be titrated into the flask. The burrette is employed to contain the primary standard during the actual titration experiment.
 

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