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The molecular weight distributions for polyethylene terephthalate [(C10H8O4)n] is shown in the table.. Atomic weight of...

The molecular weight distributions for polyethylene terephthalate [(C10H8O4)n]

is shown in the table.. Atomic weight of C=12.0, H=1.0, O = 16.0

  1. Calculate the degree of polymerization (DP) of the polymer.

(c)        Calculate the weight-average molecular weight of the polymer.

      Show all steps of calculations.

Molecular weight range, gm/mol

number fraction of the total of chains, xi

weight fraction of the total of chains, wi

1000 - 5000

0.01

0.02

5000 - 11000

0.10

0.11

11000 - 15000

0.31

0.30

15000 - 21000

0.13

0.11

21000 - 25000

0.10

0.10

25000 - 35000

0.05

0.06

35000 - 50000

0.10

0.08

50000 - 65000

0.10

0.12

65000 - 75000

0.10

0.10

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Expert Solution

Amanda K answered 5 months ago
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