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Question

If Mw is the weight average molecular weight and Mn is the number average molecular weight of a polymer, the polydispersity index (PDI) of the polymer is given by:

A
¯¯¯¯¯¯MnMw
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B
¯¯¯¯¯¯Mw¯¯¯¯¯¯Mn
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C
¯¯¯¯¯¯Mwׯ¯¯¯¯¯Mn
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D
1¯¯¯¯¯¯Mwׯ¯¯¯¯¯Mn
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