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The solution containing 4.0gm of a polyv...

The solution containing `4.0gm` of a polyvinyl chloride polymer in `1` litre dioxane was found to have an osmotic pressure `6.0xx10^(-4)`atmosphere at `300K`,the value of R used is `0.082`litre atmosphere`"mole"^(-1)K^(-1)`.The molecular mass of the polymer was found to be

A

`3.0 xx 10^(2)`

B

` 1.6 xx 10^(5)`

C

` 5.6 xx 10^(4)`

D

` 6.4 xx 10^(2)`

Text Solution

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The correct Answer is:
B
`M = ( WRT)/( pi V)`
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