Waec Model Questions Vol1 2022 Chemistry Question 38
Practice objective / multiple choice question 38 from the 2022 Waec Model Questions Vol1 Chemistry examination.
Poly(vinyl chloride) (PVC) has an intrinsic viscosity [η] = 0.85 dL g⁻¹ in a given solvent. The Mark‑Houwink constants for PVC in this solvent are K = 1.2×10⁻⁴ dL g⁻¹ and a = 0.72. The molar mass of the monomer unit CH₂=CHCl is 62.5 g mol⁻¹. Calculate the degree of polymerisation (DP) of the polymer sample (round to the nearest whole number).
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This is Waec Model Questions Vol1 2022 Chemistry Question 38. It is one of the objective questions from the 2022 Waec Model Questions Vol1 Chemistry examination.
Difficulty level: Hard .
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