The mass of gas adsorbed, $x$, per unit mass of absorbate, $m$, was measured at various pressures, p. A graph between $\log \frac{x}{m}$ and $\log p$ gives a straight line with slope equal to 2 and the intercept equal to 0.4771 . The value of $\frac{x}{m}$ at a pressure of 4 atm is: (Given $\log 3=0.4771$ )