Question

Molecular Weight Range (g/mol) xi wi 19000 - 34000 0.04 0.01 34000 - 49000 0.07 0.04...

Molecular
Weight Range
(g/mol)		 xi wi
19000 - 34000 0.04 0.01
34000 - 49000 0.07 0.04
49000 - 64000 0.16 0.11
64000 - 79000 0.26 0.24
79000 - 94000 0.24 0.27
94000 - 109000 0.12 0.16
109000 - 124000 0.08 0.12
124000- 139000 0.03 0.05

a. the number-average molecular weight.

b.the weight-average molecular weight

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