Dan C.

asked • 09/13/21

Laboratory procedure errors

Explain how the errors in laboratory procedure would affect the calculated percent of sand. (decrease, increase, or remain the same) and why.


  1. a bit of mixture got stuck in the film can when you were pouring it into a beaker
  2. the mixture was dissolved in too little water; the residue on the filter paper was not washed completely
  3. The residue was not dried completely
  4. The mixture was dissolved with 30ml of water rather than 20ml of water

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