A solution containing \( 4.0 \mathrm{~g} \) of PVC in 2 litre of dioxane (industrial solvent) wa...

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A solution containing \( 4.0 \mathrm{~g} \) of PVC in 2 litre of dioxane (industrial solvent) was found to have an osmotic pressure \( 3.0 \times 10^{-4} \) atm at \( 27^{\circ} \mathrm{C} \). The molar mass of the polymer \( (\mathrm{g} / \mathrm{mol}) \) will be :
(a) \( 1.6 \times 10^{4} \)
(b) \( 1.6 \times 10^{5} \)
(c) \( 1.6 \times 10^{3} \)
(d) \( 1.6 \times 10^{2} \)
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