Chemistry

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}

1.23 \times 10^6

1.23 \times 10^7

4 \times 10^7

4 \times 10^6