Question 6 Weight Average Molecular Weight, Mw is defined as indicated in equation (eq. 1) n wi Mi Mw = (eq, 1) wi i=0 Alternatively, it is expressed as indicated in eq. 2, using the same terms invloved in the caluclation of the Number Average Molecular wight, Mn

Fundamentals Of Analytical Chemistry
9th Edition
ISBN:9781285640686
Author:Skoog
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Chapter7: Statistical Data Treatment And Evaluation
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Problem 7.10QAP
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Question 6
Weight Average Molecular WWeight, Mw is defined as indicated in equation (eq. 1)
wi Mi
Mw =
(eq, 1)
wi
i=0
Alternatively, it is expressed as indicated in eq. 2, using the same terms invloved in the
caluclation of the Number Average Molecular wight, Mn
Ni Mi²
Mw =
(eq. 2)
Ni Mi
i=0
Starting from eq. 1, derive eq. 2.
rch
N
W
hp
Transcribed Image Text:Question 6 Weight Average Molecular WWeight, Mw is defined as indicated in equation (eq. 1) wi Mi Mw = (eq, 1) wi i=0 Alternatively, it is expressed as indicated in eq. 2, using the same terms invloved in the caluclation of the Number Average Molecular wight, Mn Ni Mi² Mw = (eq. 2) Ni Mi i=0 Starting from eq. 1, derive eq. 2. rch N W hp
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