1.

Number average molecular mass, bar(Mn) and weight average molecular mass (barMw) of synthetic polymers are related as

Answer»

`bar(M_n) = (barM_(W))^(1//2)`
`bar(M_n) = barM_w`
`barM_w GT barM_n`
`barM_w lt barM_n`

SOLUTION :`PDI =(barM_w)/(bar(M_n))`
For synthertic polymer, PDI > 1
`:. barM_w gt barM_n`


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