The plots of osmotic pressure (in atm) vs

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Problem

The plots of osmotic pressure

\pi

(in atm) vs. concentration (in g/cm³) of a polymer at 300 K gives a straight line having slope

2 \times 10^{-3}

. The molar mass of polymer is :

\pi = CRT

\frac{\pi}{c} = 2 \times 10^{-3}

(1)

1.23 \times 10^6

(2)

1.23 \times 10^7

(3)

4 \times 10^7

(4)

4 \times 10^6