Calculate the number of particles present per unit cell if mass of a particle is $8.0 \times 10^{-23} \mathrm{~g} \left[\rho \times a^3=3.2 \times 10^{-22} \mathrm{~g}\right]$

Identify source of Eugenol from following.

Find the temperature from following graph so that highest amount of a gas is adsorbed