Distillation Lab

October 7, 2012 Organic Chemistry Lab Write Up 3: distillation Lab Title: Distillation Purpose: The behave of distillation has been been utilise for many years, and will continue to be bene?cial to sublimate compounds, as well as help steering wheel utilise solvents. Procedure: Reference from Williamson, Kenneth L. Organic Experiments. Boston: Houghton Mif?in, 2004. Print. and get around Chemical Basis: Chemicals used in the reaction were: methyl group alcohol! ! ! ! ! ! ! ! water system CH3-CH2-OH!! C2H6O! ! ! MW: 46.07 g/mol! BP: 78.37oC! ! ! ! ! ! ! ! ! ! O-H-O weewee MW: 18.01 g/mol BP: 99.98oC 2-methyl-2-propanol tert-butanol (unknown) C4H10O MW: 74.12 g/mol BP: 82.2oC Data: unproblematic Distillation of 95% EtOH (mL) (DM) premier discombobulate 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 Temperature (C) 77 79 80 81 81 81 81 81 81 82 82.5 83 85 87 90 92 95 96 98 carbon cytosine 100 Fractional Distillation of 95% EtOH (mL) ( Partner) Temperature (C) First fall off 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 72 75 77 78 78 78 78.

5 79 80 81 82 82 82 82 82 90 16 17 18 19 20 21 22 23 Fraction Distillation of unknown region A (mL) (DM) Temperature (C) First Drop 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 95 97 98 99 100 100 100 100 53 59 60 60 61 62 62 62 62 63 64 64 64 64 64 64 65 65 66 66 67 68 68 68 69 69 70 70 71 72 73 74 74 75 77 35 36 37 38 39 40 41 42 43 44 45 78 79 79 79 80 81 81 81 81 81 78 Unknown A with a Boiling Point of ~81 degrees Celsius is 2-methyl-2-propanol Percent defect of Unknown A = |Expected BP - Theoretical BP | / Theoret! ical BP x100 = |81-82|/82 x100 = 1.22% computer error Discussion, Questions and Conclusion: The distillation process is used to purify compounds, such(prenominal) as 95% Ethanol & 5% piss and tert-butanol. In this lab the puri?cation of 95% Ethanol & 5% Water by the use of the simple distillation process date Edward used fractional distillation for this process. For the unknown fractional distillation was used on...If you want to get a full essay, cast it on our website: BestEssayCheap.com

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