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Procedures:
1
...
2
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5 grams of solid mixture containing salt, sand, and salicylic acid were measured out
...
An Erlenmeyer flask was hooked up to the hose and the other end was hooked up to a
vacuum
5
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The mixture was placed into the filter lined with filter paper and placed on top of the
erlenmeyer flask
...
The group collected 20 mL of hot ethanol
8
...
The vacuum that was hooked up to the Erlenmeyer flask was turned on to speed up the
filtration process
...
The liquid at the bottom of the Erlenmeyer flask,containing ethanol and dissolved
salicylic acid was transferred to a beaker (labeled beaker 1) and placed on a hot plate to
evaporate the ethanol
11
...
Steps 7-9 were repeated with the water, this time the mixture at the bottom of the flask
contained water and dissolved salt
...
The water and salt mixture was transferred to a beaker (labeled beaker 2)
14
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While the mixtures were on the hot plate the final solid (sand) was taken from the filter
and placed in the oven until dry
16
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After the substances were cooled off the mass of each was measured
18
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All of the data was calculated and recorded into a table which included each group’s
data from within the class