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The formula for calculating Mn of a poly...

The formula for calculating `M_n` of a polymer is

A

`(sum NiMi)/(sum Ni) `

B

` ( sum NiMi)/(sum Mi)`

C

` (sum NiMi^(2))/(sum Mi)`

D

` (sum NiMi^(2))/(sum NiMi) `

Text Solution

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The correct Answer is:
A
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