DOWNLOAD: |
http://chemconnections.org/general/chem120/fp
results-2012.xls |
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fp Depression |
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MM (g/mol) |
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Lauric Acid |
C12H24O2 |
200.32 |
solvent |
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w/ Benzoic acid |
C7H8O2 |
122.12 |
solute |
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Lab Data |
AM |
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Group # |
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1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
10 |
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mass
(g) lauric acid #1 |
4.86 |
5.37 |
4.72 |
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4.67 |
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5.07 |
5.15 |
4.91 |
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fp #1 oC |
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42.5 |
41.3 |
42.7 |
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44.6 |
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44.3 |
45.0 |
47.5 |
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mass
(g) lauric acid #2 |
8.11 |
8.34 |
8.01 |
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8.33 |
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8.40 |
8.12 |
7.99 |
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mass
(g) benzoic acid #2 |
1.10 |
1.17 |
1.02 |
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1.15 |
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1.03 |
1.17 |
1.00 |
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fp #2 oC |
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36.7 |
35.0 |
39.6 |
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34.4 |
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39.7 |
39.6 |
39.9 |
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mass
(g) lauric acid #3 |
8.05 |
8.03 |
7.96 |
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8.08 |
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8.24 |
8.02 |
8.00 |
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mass
(g) benzoic acid #3 |
0.53 |
0.59 |
0.52 |
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0.56 |
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0.52 |
0.53 |
0.51 |
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fp #3 oC |
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39.7 |
40.3 |
39.6 |
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39.2 |
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41.8 |
43.4 |
44.7 |
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mass
(g) lauric acid #4 |
8.02 |
8.01 |
8.15 |
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8.12 |
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8.05 |
8.59 |
8.00 |
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mass
(g) benzoic acid #4 |
1.53 |
1.52 |
1.54 |
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1.54 |
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1.46 |
1.48 |
1.50 |
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fp #4 oC |
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37.3 |
36.6 |
35.2 |
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40.4 |
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37.8 |
38.3 |
37.8 |
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fp Depression |
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MM (g/mol) |
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Lauric Acid |
C12H24O2 |
200.32 |
solvent |
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w/ Benzoic acid |
C7H8O2 |
122.12 |
solute |
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Lab Data |
PM |
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Group # |
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1 |
2 |
3 |
4 |
5 |
6 |
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10 |
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mass
(g) lauric acid #1 |
4.25 |
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5.63 |
5.41 |
5.63 |
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5.07 |
4.44 |
4.91 |
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fp #1 oC |
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41.0 |
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46.7 |
44.7 |
45.2 |
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44.3 |
47.7 |
47.5 |
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mass
(g) lauric acid #2 |
7.99 |
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8.00 |
8.00 |
8.01 |
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8.40 |
8.00 |
7.99 |
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mass
(g) benzoic acid #2 |
0.98 |
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1.00 |
1.08 |
0.51 |
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1.03 |
1.00 |
1.00 |
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fp #2 oC |
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41.8 |
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40.7 |
40.5 |
42.5 |
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39.7 |
39.9 |
39.9 |
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mass
(g) lauric acid #3 |
8.03 |
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7.99 |
8.00 |
8.01 |
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8.24 |
8.00 |
8.00 |
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mass
(g) benzoic acid #3 |
0.41 |
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0.50 |
0.60 |
1.05 |
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0.52 |
0.50 |
0.51 |
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fp #3 oC |
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43.8 |
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43.5 |
41.9 |
40.6 |
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41.8 |
41.4 |
44.7 |
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mass
(g) lauric acid #4 |
8.03 |
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7.99 |
8.02 |
8.01 |
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8.05 |
8.00 |
8.00 |
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mass
(g) benzoic acid #4 |
1.44 |
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1.49 |
1.53 |
1.54 |
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1.46 |
1.50 |
1.50 |
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fp #4 oC |
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37.9 |
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37.4 |
37.4 |
37.4 |
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37.8 |
38.0 |
37.8 |
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