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Chemistry, 28.06.2019 19:10 elrancho

Molecular weight data for some polymer are tabulated here. molecular weight range (g/mol) xi wi 2 - 35000 0.04 0.01 35000 - 5 0.07 0.04 5 - 65000 0.16 0.11 65000 - 8 0.26 0.24 8 - 95000 0.24 0.27 95000 - 11 0.12 0.16 11 - 125000 0.08 0.12 125000- 14 0.03 0.05 compute the following: (a) the number-average molecular weight. entry field with incorrect answer 73800 g/mo

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