list things to do and avoid when using a laboratory balance?
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Well if you are measuring the weight of liquid in a beaker,
make sure to measure the weight of the beaker, then subtract the weight of the beaker from the weight of the beaker and liquid
Also draughts can affect the balance. So if you have a big glass covering for the balance, then you can eliminate any uncertainty in the mesurementSource(s): http://www.dartmouth.edu/~chemlab/info/resources/u... go to the types of error section and read the first paragraph