The Student Room Group

Adding up percentage error

Quick question. I havent done this since last years coursework so I just want to make sure I have this right.

To get the overall percentage error do I add up:
- % error of buerette
- % error of scales
- % error of volumetric flask?

Oh and if anyone knows the %error for a 500ml volumetric flask please tell me!
For a 500ml flask it's probably about ±0.50ml, but depends on the exact equipment.
A typical grade B 1L volumetric flask has an error of ±0.80 mL

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