| fp Depression | ||||||||||||
| MM (g/mol) | ||||||||||||
| Lauric Acid | C12H24O2 | 200.32 | solvent | |||||||||
| w/ Benzoic acid | C7H8O2 | 122.12 | solute | |||||||||
| Lab Data | AM | |||||||||||
| Group # | ||||||||||||
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | |||
| fp #1 | 45.9 | 44.5 | 43.8 | 43.7 | 43.8 | 43.7 | 42.9 | 43.5 | 45.5 | 44.7 | ||
| molality #2 | 1.13 | 1.06 | 0.66 | 1.01 | 1.03 | 1.02 | 1.12 | 1 | 0.053 | 0.992 | ||
| fp #2 | 33.1 | 39.7 | 38.7 | 39.3 | 38.6 | 39.1 | 38.3 | 38.7 | 42.6 | 39.6 | ||
| molality #3 | 1.14 | 0.544 | 0.51 | 1.52 | 1.52 | 1.5 | 0.59 | 0.49 | 1.03 | 0.648 | ||
| fp #3 | 35.8 | 41.7 | 39.2 | 37.3 | 35.9 | 37.1 | 39.5 | 40.9 | 36.6 | 41.3 | ||
| molality #4 | 1.59 | 1.53 | 1.48 | 0.551 | 0.52 | 0.5 | 1.47 | 1.46 | 1.52 | 1.65 | ||
| fp #4 | 36.2 | 37.6 | 36.3 | 41.3 | 39.8 | 41.4 | 36.9 | 37.4 | 33.3 | 37.5 | ||
| mass (g) lauric acid #1 | 4.56 | 4.83 | 4.30 | 5.02 | 4.04 | 4.43 | 4.43 | 4.77 | 5.00 | 4.54 | ||
| fp #1 oC | 45.9 | 44.5 | 43.8 | 43.7 | 43.8 | 43.7 | 42.9 | 43.5 | 45.5 | 44.7 | ||
| mass (g) lauric acid #2 | 8.51 | 8.27 | 7.48 | 8.04 | 8.00 | 8.01 | 8.05 | 8.00 | 8.10 | 8.50 | ||
| mass (g) benzoic acid #2 | 1.12 | 1.07 | 0.60 | 0.99 | 1.01 | 1.00 | 1.10 | 0.98 | 0.52 | 1.03 | ||
| molality (Dr.R calc) | 1.08 | 1.06 | 0.66 | 1.01 | 1.03 | 1.02 | 1.12 | 1.00 | 0.53 | 0.99 | ||
| fp #2 oC | 33.1 | 39.7 | 38.7 | 39.3 | 38.6 | 39.1 | 38.3 | 38.7 | 42.6 | 39.6 | ||
| mass (g) lauric acid #3 | 8.04 | 7.98 | 7.96 | 7.98 | 8.02 | 8.01 | 8.05 | 8.03 | 8.01 | 7.83 | ||
| mass (g) benzoic acid #3 | 0.52 | 0.53 | 0.5 | 1.48 | 1.49 | 1.5 | 0.58 | 0.48 | 1.01 | 0.62 | ||
| molality (Dr.R calc) | 0.53 | 0.54 | 0.51 | 1.52 | 1.52 | 1.53 | 0.59 | 0.49 | 1.03 | 0.65 | ||
| fp #3 oC | 35.8 | 41.7 | 39.2 | 37.3 | 35.9 | 37.1 | 39.5 | 40.9 | 36.6 | 41.3 | ||
| mass (g) lauric acid #4 | 8.00 | 8.00 | 8.01 | 8.02 | 8.01 | 8.19 | 8.06 | 80.06 | 8.01 | 8.15 | ||
| mass (g) benzoic acid #4 | 1.55 | 1.49 | 1.45 | 0.50 | 0.51 | 0.50 | 1.45 | 1.44 | 1.49 | 1.64 | ||
| molality (Dr.R calc) | 1.59 | 1.53 | 1.48 | 0.51 | 0.52 | 0.50 | 1.47 | 0.15 | 1.52 | 1.65 | ||
| fp #4 oC | 36.2 | 37.6 | 36.3 | 41.3 | 39.8 | 41.4 | 36.9 | 37.4 | 33.3 | 37.5 | ||
| fp Depression | ||||||||||||
| MM (g/mol) | ||||||||||||
| Lauric Acid | C12H24O2 | 200.32 | solvent | |||||||||
| w/ Benzoic acid | C7H8O2 | 122.12 | solute | |||||||||
| Lab Data | PM | |||||||||||
| Group # | ||||||||||||
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | ||
| fp #1 | 41.79 | 45.05 | 46.53 | 46.12 | 47.41 | 47.6 | 43.09 | 44.55 | 45.59 | 43.4 | 45.1 | 43.9 |
| molality #2 | 0.994 | 1.02 | 1.09 | 1.01 | 0.82 | 1.02 | 1.02 | 1.02 | 1.18 | 0.77 | ||
| fp #2 | 39.22 | 42.73 | 42.68 | 41.53 | 41.32 | 39.51 | 40.70 | 39.52 | 40.35 | 38.40 | 42.00 | 38.30 |
| molality #3 | 0.499 | 0.512 | 0.6 | 0.521 | 0.513 | 0.512 | 0.516 | 0.512 | 0.573 | 0.507 | ||
| fp #3 | 45.00 | 38.00 | 44.55 | 41.64 | 44.60 | 41.31 | 44.23 | 42.74 | 40.60 | 41.80 | 40.50 | |
| molality #4 | 1.49 | 1.54 | 1.62 | 1.38 | 1.5 | 1.54 | 1.54 | 1.54 | 1.47 | 1.4 | ||
| fp #4 | 37.60 | 37.22 | 41.94 | 37.00 | 37.23 | 36.79 | 37.88 | 36.50 | 37.40 | 38.40 | 35.40 | |
| mass (g) lauric acid #1 | 4.76 | 5.00 | 5.00 | 4.16 | 4.16 | 5.04 | 5.99 | 5.01 | 4.54 | 4.73 | 4.55 | 5.35 |
| fp #1 oC | 41.79 | 45.05 | 46.53 | 46.12 | 47.41 | 47.6 | 43.09 | 44.55 | 45.59 | 43.4 | 45.1 | 43.9 |
| mass (g) lauric acid #2 | 8.05 | 8.06 | 8.00 | 8.07 | 7.98 | 8.00 | 8.00 | 8.00 | 8.00 | 8.34 | 8.08 | 8.27 |
| mass (g) benzoic acid #2 | 0.98 | 1.10 | 1.00 | 1.08 | 0.98 | 1.00 | 1.00 | 1.00 | 1.00 | 1.20 | 0.76 | 1.28 |
| molality (Dr.R calc) | 1.00 | 1.12 | 1.02 | 1.10 | 1.01 | 1.02 | 1.02 | 1.02 | 1.02 | 1.18 | 0.77 | 1.27 |
| fp #2 oC | 39.22 | 42.73 | 42.68 | 41.53 | 41.32 | 39.51 | 40.70 | 39.52 | 40.35 | 38.40 | 42.00 | 38.30 |
| mass (g) lauric acid #3 | 8.01 | 8.00 | 8.00 | 8.07 | 8.02 | 8.00 | 8.00 | 8.01 | 8.00 | 7.86 | 8.56 | 8.49 |
| mass (g) benzoic acid #3 | 0.52 | 0.49 | 0.30 | 0.59 | 0.51 | 0.50 | 0.50 | 0.51 | 0.50 | 0.55 | 0.53 | 0.59 |
| molality (Dr.R calc) | 0.53 | 0.50 | 0.31 | 0.60 | 0.52 | 0.51 | 0.51 | 0.52 | 0.51 | 0.57 | 0.51 | 0.57 |
| fp #3 oC | 45.00 | 38.00 | 44.55 | 41.64 | 44.60 | 41.31 | 44.23 | 42.74 | 40.60 | 41.80 | 40.50 | |
| mass (g) lauric acid #4 | 8.01 | 7.98 | 8.00 | 8.00 | 8.98 | 8.00 | 8.00 | 8.00 | 8.00 | 8.02 | 7.98 | 8.22 |
| mass (g) benzoic acid #4 | 1.48 | 1.74 | 1.50 | 1.58 | 1.51 | 1.54 | 1.50 | 1.50 | 1.50 | 1.44 | 1.37 | 1.55 |
| molality (Dr.R calc) | 1.51 | 1.79 | 1.54 | 1.62 | 1.38 | 1.58 | 1.54 | 1.54 | 1.54 | 1.47 | 1.41 | 1.54 |
| fp #4 oC | 37.60 | 37.22 | 41.94 | 37.00 | 37.23 | 36.79 | 37.88 | 36.50 | 37.40 | 38.40 | 35.40 | |