Q5: polymer sample was found to have the following molecular weight distribution:Number of moleculesMolecular weight / g/mol5,00020030010,00020,00040,000400100Calculate the number average and weight average molecular weights, and the polydispersityindex.

We have to find the average and weight average molecular weight

Q5: polymer sample was found to have the following molecular weight distribution: Number of molecules 200 Molecular weight / g/mol 5,000 300 10,000 20,000 40,000 400 100 Calculate the number average and weight average molecular weights, and the polydispersity index.

Q5: polymer sample was found to have the following molecular weight distribution: Number of molecules 200 Molecular weight / g/mol 5,000 300 10,000 20,000 40,000 400 100 Calculate the number average and weight average molecular weights, and the polydispersity index.

Intro Spectroscopy

5th Edition

ISBN:9781305221796

Author:PAVIA

Publisher:PAVIA

Chapter3: Mass Spectrometry: Part One: Basic Theory, Instrumentation And Sampling Techniques

Section: Chapter Questions

Problem 4P

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Question

Q5: polymer sample was found to have the following molecular weight distribution:
Number of molecules
Molecular weight / g/mol
5,000
200
300
10,000
20,000
40,000
400
100
Calculate the number average and weight average molecular weights, and the polydispersity
index.

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