The burette or pipette is first rinsed with water and secondly with the solution that it will contain.
The burette and pipette are laboratory apparatus that are used to hold liquids especially during titration. The pipette mostly serves the purpose of transferring liquids from one container to another. The burette is used to run solutions into the flask.
To prepare both burette and pipette for titration, they are first rinsed with water and secondly with the solution that they are to contain. This helps to prevent contamination.
Learn more: https://brainly.com/question/5624100
