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Molecular weight data for a polymer sample are given below. Find the number-average (Mn) and weight-average (MW) molecular weights. Assume a uniform distribution of molecular weights in each range. Molecular-weight data for polymer sample Molecular weight range (g/mol) Mw = 10,000-20,000 20,000-30,000 Wi (%) 18 23 30,000-40,000 25 40,000-50,000 19 50,000-60,000 g/mol Mn = g/mol 15

Molecular weight data for a polymer sample are given below. Find the number-average (Mn) and weight-average (MW) molecular weights. Assume a uniform distribution of molecular weights in each range. Molecular-weight data for polymer sample Molecular weight range (g/mol) Mw = 10,000-20,000 20,000-30,000 Wi (%) 18 23 30,000-40,000 25 40,000-50,000 19 50,000-60,000 g/mol Mn = g/mol 15

Introduction to Chemical Engineering Thermodynamics
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
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Molecular weight data for a polymer sample are given below. Find the number-average (Mn) and weight-average (MW) molecular weights. Assume a uniform distribution of molecular weights in each range. Molecular-weight data for polymer sample Molecular weight range (g/mol) Mw = 10,000-20,000 20,000-30,000 Wi (%) 18 23 30,000-40,000 25 40,000-50,000 19 50,000-60,000 g/mol Mn = g/mol 15
Transcribed Image Text:Molecular weight data for a polymer sample are given below. Find the number-average (Mn) and weight-average (MW) molecular weights. Assume a uniform distribution of molecular weights in each range. Molecular-weight data for polymer sample Molecular weight range (g/mol) Mw = 10,000-20,000 20,000-30,000 Wi (%) 18 23 30,000-40,000 25 40,000-50,000 19 50,000-60,000 g/mol Mn = g/mol 15
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