The osmotic pressure of a dilute solution of a non-volatile solute is

  • A
    Directly proportional to its temperature on the centigrade scale
  • B
    Inversely proportional to its temperature on the Kelvin scale
  • C
    Directly proportional to its temperature on the Kelvin scale
  • D
    Inversely proportional to its temperature on the centigrade scale

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The solution containing $4.0 \ g$ of a polyvinyl chloride polymer in $1 \ L$ of dioxane was found to have an osmotic pressure of $6.0 \times 10^{-4} \ atm$ at $300 \ K$. Given $R = 0.082 \ L \ atm \ mol^{-1} \ K^{-1}$,the molecular mass of the polymer is:

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The osmotic pressure of a solution is given by the relation

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