Title: Fractional Distillation
Name:
Locker #:
Date:
Liquid
Used:
Appearance
of the liquid
( circle the appropriate
description(s) )
colorless color cloudy clear
other comments:_______________________________________________________________________
Volume of Liquid Used: mL.
Temp. at which first drops
enter the receiving vessel:
__ oC
Temperature/Volume Data:
Fraction 1:
|
Volume (mL) |
2 |
4 |
6 |
8 |
10 |
12 |
14 |
16 |
18 |
20 |
22 |
24 |
26 |
28 |
30 |
|
Temperature (oC) |
|
|
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Temperature/Volume Data:
Fraction 2:
|
Volume (mL) |
2 |
4 |
6 |
8 |
10 |
12 |
14 |
16 |
18 |
20 |
22 |
24 |
26 |
28 |
30 |
|
Temperature (oC) |
|
|
|
|
|
|
|
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Temperature/Volume Data:
Fraction 3:
|
Volume (mL) |
2 |
4 |
6 |
8 |
10 |
12 |
14 |
16 |
18 |
20 |
22 |
24 |
26 |
28 |
30 |
|
Temperature (oC) |
|
|
|
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|
|
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Conclusions: (boiling range of first fraction) oC
(boiling range of third fraction) oC
Where would you change the receiver to collect fractions if you were trying to separate the components ?
Calculate the mole fraction in a 1:1 (v/v) mixture using the data for the two components given below.
|
Compound |
Boiling Range oC |
Molecular Weight |
Density gm/mL |
Volume mL |
|
Methanol |
65 |
32.0 |
0.792 |
50 |
|
1-butanol |
118 |
74.1 |
0.810 |
50 |