What is the number of molecular layers on the adsorbent in chemical adsorption?

For a gas-solid adsorbent system,the adsorption isotherm $\frac{x}{m}=k p^{1/n}$ is applicable,where $n=5$ in the specified case. Point out the correct statement:

Which of the following is false regarding adsorption?

$3.12 \, g$ of oxygen is adsorbed on $1.2 \, g$ of platinum metal. The volume of oxygen adsorbed per gram of the adsorbent at $1 \, atm$ and $300 \, K$ in $L$ is ..... .
$[R = 0.0821 \, L \, atm \, K^{-1} \, mol^{-1}]$

Which of the following statements is correct for the Freundlich adsorption isotherm?

The graph of $\log \frac{x}{m}$ vs $\log p$ for an adsorption process is a straight line inclined at an angle of $45^{\circ}$ with an intercept equal to $0.6020$. The mass of gas adsorbed per unit mass of adsorbent at the pressure of $0.4 \ atm$ is $......... \times 10^{-1}$ (Nearest integer). Given: $\log 2 = 0.3010$.