Question: The following table lists molecular weight data for a polymer material. Compute the following: a. the number-average molecular weight b. the weight-average molecular weight

The following table lists molecular weight data for a polymer material. Compute the following: a. the

The following table lists molecular weight data for a polymer material. Compute the following: a. the number-average molecular weight b. the weight-average molecular weight Weight range g/mol 1-100 101-200 201-300 301-400 401-500 501-600 601-700 701-800 801-900 901-1,000 1,001-1,100 1,101-1,200 1,201-1,300 Mean weight W g/mol 50 150 250 350 450 550 650 750 850 950 1050 1150 1250 Number of occurrence N 0 0 3 35 104 127 98 90 60 48 21 12 13.

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Solution To calculate the numberaverage molecular weight we need to first calculate the total number of molecules in each weight range We can do this by multiplying the number of occurrences N by the ... View full answer

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