2 moles of a non-volatile solute was dissolved in 8 moles of a solvent. if po is the vapour pressure of the pure solvent and ps is the vapour pressure of the solution, then the correct relationship is
A. Ps = P₀ + 1/4 P₀
B. Ps = P₀ - 1/4 P₀
C. Ps = 1/4 P₀
D. Ps = 3/4 P₀
