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30-07-2021
Engineering

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The number-average molecular weight of a poly (styrene-butadiene) alternating copolymer is 1,350,000 g/mol. What is the average number of styrene and butadiene repeat units per molecule.
a) 6,806
b) 6,944
c) 4,801
d) 8,544

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Revenlll Revenlll

30-07-2021

The answer is probably a or c

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