Post Utme Osustech 2017 Chemistry Question 11
Practice objective / multiple choice question 11 from the 2017 Post Utme Osustech Chemistry examination.
Determine the molar mass of a polymer with the following composition: 60% by mass of polyethylene (C2H4)n, 20% by mass of polypropylene (C3H6)n, and 20% by mass of polystyrene (C6H5CHCH3)n. Assume the molar masses of the repeating units are 28 g/mol for polyethylene, 42 g/mol for polypropylene, and 104 g/mol for polystyrene.
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This is Post Utme Osustech 2017 Chemistry Question 11. It is one of the objective questions from the 2017 Post Utme Osustech Chemistry examination.
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