Separating 3 solids

Procedure:

  • 5.4g. of Sand, 7.4g. of Copper Sulfate and 8.3g. of Iron Filings are mixed together with a spatula in a beaker.
  • A magnet is then produced and the small-grey Iron is extracted.
  • Filter Paper is used to filter out the damp Sand.
  • A clear-blue Copper Sulfate solution is obtained.
  • Copper Sulfate solution is poured into an crystallising basin.
  • Basin is left for a full week along with the damp Sand.
  • Copper Sulfate crystals are produced.
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D.C.P.:

Conclusion/Evaluation:

Only slightly less of each material was obtained after the separation, leading to a relatively low level of loss and error.

In order to simplify the separation of the Iron Filings, and solve the problem of small pieces of Iron staying attached to the Magnet, I decided to wrap the magnet with a thin layer of paper towel that could then slide off the magnet to release the Iron Filings and drastically decrease the chances of losing pieces of Iron.

The Sand weighed more after rather than before because it still had ...

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