The mass average molecular weight and number average molecular weight of a polym

Question

The mass average molecular weight and number average molecular weight of a polymer are respectively 40000 and 30000. The poly-dispersity index of the polymer will be

Options:

Answer: Option A
:
B

P . D . I = \frac{_{W}}{_{n}} = \frac{40000}{30000} = 1.33

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