Question

How should you always read a graduated cylinder?

Answer 1

Volumetric glassware is always calibrated such that.........

Explanation:

Volumetric glassware is always calibrated such that the measured volume is specified by reading the calibration of the BOTTOM of the aqueous meniscus. So I make that volume in the illustration to be `20.01*mL`. (Do you agree? I think I need to put some reading spex on!).

The calibration on a burette is `+-0.1*mL`. Your eyes should be good enuff to read to `+-0.01*mL`.