Analysis of a sample of polyacrylonitrile shows that there are six lengths of chains, with the number of chains of each length shown in the table below. The molecular weight of the acrylonitrile monomer is 53 g/mol. Calculate the following: (a) The weight average molecular weight and degree of polymerization, (b) The number average molecular weight and degree of polymerization. Number Of chains Мean Molecular weight of chains (g/mol). 3010 10,005 18,005 6010 17,005 15,005 9010 12,010 9005 15,010 4005 18,010
Analysis of a sample of polyacrylonitrile shows that there are six lengths of chains, with the number of chains of each length shown in the table below. The molecular weight of the acrylonitrile monomer is 53 g/mol. Calculate the following: (a) The weight average molecular weight and degree of polymerization, (b) The number average molecular weight and degree of polymerization. Number Of chains Мean Molecular weight of chains (g/mol). 3010 10,005 18,005 6010 17,005 15,005 9010 12,010 9005 15,010 4005 18,010
Introductory Chemistry: An Active Learning Approach
6th Edition
ISBN:9781305079250
Author:Mark S. Cracolice, Ed Peters
Publisher:Mark S. Cracolice, Ed Peters
Chapter21: Organic Chemistry
Section: Chapter Questions
Problem 101E
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![Analysis of a sample of polyacrylonitrile shows that there are six lengths of chains, with the
number of chains of each length shown in the table below. The molecular weight of the
acrylonitrile monomer is 53 g/mol. Calculate the following:
(a) The weight average molecular weight and degree of polymerization,
(b) The number average molecular weight and degree of polymerization.
Number
Of chains
Mean
Molecular
weight of
chains (g/mol)
3010
10,005
18,005
17,005
15,005
6010
9010
12,010
9005
15,010
4005
18,010](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F5bb6b5b6-1cde-492f-b306-a897438668de%2F4698678e-fb1e-4590-9c96-6ace0a11b8c2%2Fhpkyy1r_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Analysis of a sample of polyacrylonitrile shows that there are six lengths of chains, with the
number of chains of each length shown in the table below. The molecular weight of the
acrylonitrile monomer is 53 g/mol. Calculate the following:
(a) The weight average molecular weight and degree of polymerization,
(b) The number average molecular weight and degree of polymerization.
Number
Of chains
Mean
Molecular
weight of
chains (g/mol)
3010
10,005
18,005
17,005
15,005
6010
9010
12,010
9005
15,010
4005
18,010
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