Chemistry, 18.02.2020 02:59 kev71

2. Calculate the number-average molecular weight of a random poly (isobutylene-isoprene) copolymer in which the fraction of isobutylene repeat units is 0.25; assume that this concentration corresponds to a degree of polymerization of 1500.

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2. Calculate the number-average molecular weight of a random poly (isobutylene-isoprene) copolymer i...