December 22, 2024, 11:47:43 AM
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Topic: Most Accurate Device for Measurement  (Read 2084 times)

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Offline pocantheses

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Most Accurate Device for Measurement
« on: December 11, 2014, 12:47:49 AM »
Found an interesting question from my Final today:

What is the most accurate device for measuring the volume of liquids?

A. Beaker
B. Erlenmeyer
C. Graduated Cylinder
D. Volumetric Pipette


It could not be A or B because these containers are only for relative measurements of volume, as I have been taught. I reasoned that it was C because graduated cylinders are designed for that purpose. Any thoughts?

Offline Borek

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Re: Most Accurate Device for Measurement
« Reply #1 on: December 11, 2014, 02:41:43 AM »
Graduated cylinders are not that accurate.

http://www.titrations.info/pipette-burette
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Offline pocantheses

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Re: Most Accurate Device for Measurement
« Reply #2 on: December 11, 2014, 02:59:02 AM »
Graduated cylinders are not that accurate.

http://www.titrations.info/pipette-burette

Yeah, I thought so. C seemed the most logical at the moment, but now that I thought back about it I realize just how stupid my reasoning was.

Whelp, there goes my chemistry career. 89 in Gen Chem 1.

Offline Ben Bob2

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Re: Most Accurate Device for Measurement
« Reply #3 on: December 11, 2014, 11:01:48 AM »
I got an 89 in my second semester of general chemistry and they haven't kicked me out of the program yet.
I don’t know why a teacher can’t spare just one percentage point though.
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