A mixture of 10% C6H6 vapour in air at 25°C and 750 mm Hg has a dew point of 20°C. Its dew point at 30°C and 700 mm Hg will be around _______________ °C?

A. Liquid phase resistance-controlled
B. Gas phase resistance controlled
C. Impossible
D. Driven by a non-linear driving force

A. Phase change of the solute as it dissolves in the solvent
B. Diffusion of the solute through the solvent in the pores to the outside of the particle
C. Diffusion of the solute from the solution in contact with the particle to the main bulk of the
solution
D. All A , B. & C.

A. 100
B. > 100
C. < 100
D. None of these