chemisty
Essay: (18 points)
Answer the question as indicated to earn all available points.
A Chemistry student was given the following mixture: Small Styrofoam pellets, sand, salt, 1 cm
diameter copper bbs, and iron filings. He/she has access to the following materials and equipment:
beakers, magnets, sieves with 5-mm holes, hot plates, watch glasses, tweezers, coffee filters, and
small fish nets.
Describe how he/she would separate each component from the mixture, what material/equipment
he/she would employ, and which property (ies) of matter he/she would use to separate each
component from the mixture.
The narrative should be written in the form of a step-by-step procedure that any student in a lab can follow without you being there to explain.
***In order to obtain ALL possible points, EACH component MUST have ALL 3 requirements as
indicated above. (description of how the material would be separated, materials used in the separation,
and physical property (ies) used to separate it.)
|
Material |
Order of separation |
How to separate |
Materials used |
Property(ies) |
Additional steps |
|
Iron filings
|
|
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copper bbs
|
|
|
|
|
|
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Styrofoam pellets |
|
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|
|
|
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Sand
|
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|
|
|
|
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Salt
|
|
|
|
|
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