EBK ELEMENTARY PRINCIPLES OF CHEMICAL P
EBK ELEMENTARY PRINCIPLES OF CHEMICAL P
4th Edition
ISBN: 9781119192107
Author: BULLARD
Publisher: JOHN WILEY+SONS,INC.-CONSIGNMENT
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Chapter 3, Problem 3.36P
Interpretation Introduction

Interpretation:

An excel spreadsheet is to be prepared according to the given structure to calculate the composition of a mixture from the set of obtained peak areas.

Concept introduction:

A device, Gas Chromatograph (GC) is used to separate, identify, and quantify components of gas mixtures. The detector signal is mapped as the series of peaks on a recorder. Each peak corresponds to the specific component and the area under that peak is proportional to the amount of that component in the sample.

ni(mol)=kiAi                  …… (1)

Here, Ai is the area of the peak corresponding to the ith species and ki is the proportionality constant.

The formula to calculate mole fraction (xi) is:

xi=nini                  …… (2)

Here, ni is the moles of the ith component and ni is the total moles of all the components present in the mixture.

The formula to calculate the mass fraction is:

Mass Fraction=ni(MW)ini(MW)i                  …… (3)

Here, (MW)i is the molecular weight of the ith component.

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Chapter 3 Solutions

EBK ELEMENTARY PRINCIPLES OF CHEMICAL P

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