Waec Model Questions Vol1 2018 Chemistry Question 37
Practice objective / multiple choice question 37 from the 2018 Waec Model Questions Vol1 Chemistry examination.
In a step‑growth polymerisation of a diacid and a diamine, both initially at 0.5 mol L⁻¹, the extent of reaction after 4 h is 0.85. (a) Calculate the number‑average degree of polymerisation (DPₙ). (b) Determine the weight fraction of polymer chains that have a degree of polymerisation of five or more.
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This is Waec Model Questions Vol1 2018 Chemistry Question 37. It is one of the objective questions from the 2018 Waec Model Questions Vol1 Chemistry examination.
Difficulty level: Hard .
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