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The number average molecular mass and ma...

The number average molecular mass and mass average molecular mass of a polymer are respectively 30,000 and 40,000. The poly dispersity of the polymer is:

A

` lt 1`

B

`gt 1`

C

`1`

D

0

Text Solution

Verified by Experts

The correct Answer is:
B
`PDI gt 1` when mass average molecule mass `(bar(M_w))` is greater than the number average molecular mass `(bar(M_n))`
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