Q24) Consider the following data obtained from the size exclusion chromatography ofpolypropylene, which was made from propylene of molecular weight 42.08 g/mol.S.No.Number ofMolecular WeightMoleculesRange (g/mol)58,000 - 16,0001616,000 - 24.0003.2424,000 - 32,00042832,000 - 40,00052040,000 - 48,00048,000 – 56,000From the above data, determinea) Number average molecular weight (M).b) Weight average molecular weight ( Mw).c) Degree of polymerization (DP)

This is question on molecular weight of polymer

Q24) Consider the following data obtained from the size exclusion chromatography of polypropylene, which was made from propylene of molecular weight 42.08 g/mol. S.No. Number of Molecular Weight Molecules Range (g/mol) 8,000-16,000 16 16,000-24,000 3. 24 24,000-32,000 4. 28 32,000 – 40,000 20 40,000-48,000 48,000-56,000 From the above data, determine a) Number average molecular weight (M). b) Weight average molecular weight ( Mw).

Q24) Consider the following data obtained from the size exclusion chromatography of polypropylene, which was made from propylene of molecular weight 42.08 g/mol. S.No. Number of Molecular Weight Molecules Range (g/mol) 8,000-16,000 16 16,000-24,000 3. 24 24,000-32,000 4. 28 32,000 – 40,000 20 40,000-48,000 48,000-56,000 From the above data, determine a) Number average molecular weight (M). b) Weight average molecular weight ( Mw).

Principles of Instrumental Analysis

7th Edition

ISBN:9781305577213

Author:Douglas A. Skoog, F. James Holler, Stanley R. Crouch

Publisher:Douglas A. Skoog, F. James Holler, Stanley R. Crouch

Chapter27: Gas Chromatography

Section: Chapter Questions

Problem 27.19QAP

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