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what is the degree of polymerization (DP) of LDPE having an average molecular weight (mass) of...

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Chemistry

what is the degree of polymerization (DP) of LDPEhaving an average molecular weight (mass) of 27,980?

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4.0 Ratings (770 Votes)

average molecular weight (mass) = 27,980

repeated unit molecular weight = 2 x C + 4 x H

                                                 = 2 x 12 + 4 x 1

                                                 = 28 g/mol

degree of polymerization (DP) = average molecular weight / repeated unit molar mass

                                                 = 27,980 / 28

                                                 = 999

degree of polymerization (DP) = 999
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