Question

Explain number-average molecular mass and weith-
average molecular mass of macromolecules.b

Answer 1

Because a weight-average calculation puts equal statistical weights to each of the equal mass-fractions in the distribution, while a number-average puts equal weights to each of the equal number-fractions, and given two equal number-fractions, the one with the higher molecular mass molecules will be of a greater mass-fraction than the other.

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Answer 2

Answer:

hi

Explanation:

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