A student needs to measure exactly 10.0 mL of a concentrated sulfuric acid solution for a reaction. Which piece of apparatus is most appropriate for this task?
Show the answer and explanation
Correct answer
B. A 10 mL volumetric pipette
Principle or equation
A volumetric pipette is designed to deliver a precise, fixed volume, making it suitable for accurate measurement of a specific volume like 10.0 mL.
Why this answer is correct
Measuring cylinders and graduated cylinders have lower precision. A beaker is not precise. A volumetric pipette is calibrated to deliver exactly 10.0 mL, making it the most appropriate for accurate measurement.
Example
In titrations, a pipette is used to measure the aliquot of solution accurately.
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