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2. A polymer sample contains; 20 molecules with 5000 g/mole 40 molecules with 3500 g/mole 15 molecules with 8500 g/mole 25 molecules with 3500 g/mole
2. A polymer sample contains; 20 molecules with 5000 g/mole 40 molecules with 3500 g/mole 15 molecules with 8500 g/mole 25 molecules with 3500 g/mole Calculate the number average molecular weight and weight average molecular weight of this polymer sample (2 Marks)
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