Question: A polymer sample combines five different molecular - weight fractions of equal weight. The molecular weights of these fractions increase from 2 0 kDa to

A polymer sample combines five different molecular-weight fractions of equal weight. The
molecular weights of these fractions increase from 20 kDa to 100 kDa in increments of 20k.
Calculate the number average, weight average, and z-average molecular weights and dispersity of
this polymer sample

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