Experimental Organic Chemistry: A Miniscale & Microscale Approach (Cengage Learning Laboratory Series for Organic Chemistry)
Experimental Organic Chemistry: A Miniscale & Microscale Approach (Cengage Learning Laboratory Series for Organic Chemistry)
6th Edition
ISBN: 9781305080461
Author: John C. Gilbert, Stephen F. Martin
Publisher: Brooks Cole
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Chapter 4.4, Problem 12E

a)

Interpretation Introduction

Interpretation:Minimum number of theoretical plates that is required in fractional distillation separation of mixture with 70 mol % toluene and 30 mol % benzene should be determined.

Concept introduction:Fractional distillation is separation technique that separates various fractions of components in mixture. This process is based on vaporization of one or more fractions or parts of mixture. It is used to separate components of mixture that have difference in boiling points less than 25 °C .

HETP is index that is used to measure efficiency of fractional distillation. It refers to height equivalent to theoretical plate. It denotes vertical length of column that is essential to achieve separation efficiency equivalent to one theoretical plate.

b)

Interpretation Introduction

Interpretation:Composition of first small amount of distillate obtained should be determined.

Concept introduction:Fractional distillation is separation technique that separates various fractions of components in mixture. This process is based on vaporization of one or more fractions or parts of mixture. It is used to separate components of mixture that have difference in boiling points less than 25 °C .

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