Experiment 3

Experiment 3

4. Results and Observations (for detailed observations and results see lab notebook)

Compound Y:

Initial Volume: 29 ml

Fractional Distillation

Head T (°C) Volume (ml) (see graph for plot of distillation temperature vs. volume)

78 2 (Fraction A)

81 4

82.5 6

84 8

84.5 10

85 12

86.5 14 (At this pt, switched flask A to flask B)

98 16 (Fraction B)

104 17

105 18

105.5 19 (At 19.4 ml switched from flask A to flask B)

108 22

106 24 (At 24.6, removed flask C)

Flask A (Fraction A): 14 ml

Flask B (Fraction B): 5.4 ml

Flask C (Fraction C): 4.6 ml

Simple Distillation (see graph for plot of distillation temperature vs. volume)

Head T (°C) Volume (ml)

85 2

87 4

89 6

90 8

90 10

91 12

93.5 14

96 16

101 18

106 20

106 22

Manual Triangulation Method:

Original Sample:

- Peak Area 1 (Cyclohexane): 171.5 mm2

- Peak Area 2 (Toluene): 159.5 mm2

- Total Peak Area: 331 mm2

- % Composition of Cyclohexane: 51.81%

- % Composition of Toluene: 48.19%

Fraction A: (disregarded peak number 1)

- Peak Area 2: 350 mm2

- Peak Area 3: 75 mm2

- Total Area: 425 mm2

- % Composition of Cyclohexane: 82.35%

- % Composition of Toluene: 17.65%

Fraction B:

- Peak Area 1: 143.5 mm2

- Peak Area 2: 260 mm2

- Total Area: 403.5 mm2

- % Composition of Cyclohexane: 35.56%

- % Composition of Toluene: 64.44%

Fraction C:

- Peak Area 1: 4 mm2

- Peak Area 2: 450 mm2

- Total Area: 454 mm2

- % Composition of Cyclohexane: 99.11%

- % Composition of Toluene: .88%

Electronic Integrator Method

Original Sample:

- Peak Area 1 (Cyclohexane): 166.513 mm2

- Peak Area 2 (Toluene): 171.644 mm2

- Total Peak Area: 338.644 mm2

- % Composition of Cyclohexane: 49.241%

- % Composition of Toluene: 50.759%

Fraction A: (disregarded peak number 1)

- Peak Area 2: 372.437 mm2

- Peak Area 3: 84.915 mm2

- Total Peak Area: 458.994 mm2

- % Composition of Cyclohexane: 81.142%

- % Composition of...