1. Use an Aldrich catalog to complete the following table: M.W. bp Hazards Aceto
ID: 579526 • Letter: 1
Question
1. Use an Aldrich catalog to complete the following table: M.W. bp Hazards Acetone Ethanol 2. Is distillation a purification or a characterization technique? Explain. . Where should the thermometer bulb be placed in order to measure the temperature of the hot vapor accurately during distillation? 4 What is the purpose of the "packing" in a fractional distillation column? 5. Why should a distillation flask never be more than ¾ full before starting a distillation? 6. You are fractionally distilling 75 mL of a 50:50 solution of cyclohexane and toluenc. After 2 mL has distilled you collect a sample for analysis. It is determined that your sample contains a mixture that is 85:15 cyclohexanc/toluene. Calculate the total number of theoretical plates if the relative volatility (a) of the original solution is 2.41Explanation / Answer
MW(molecular weight) BP(boiling point) Hazards Acetone 58.08g/mol 560C Highly flammable,Vapour/air mixtures are explosive,on inhalation Sore throat. Cough. Confusion. Headache. Dizziness. Drowsiness. Unconsciousness. Ethanol 46.07g/mol 780C on inhalation Cough. Headache. Fatigue. Drowsiness.Highly flammable.
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