Boiling point of benzene is 353.23K. When 1.8g of non-volatile solute is dissolved in 90g of benzene. Then boiling point raised to 354.11K. Given K₀ (benzene) = 2.53Kkgmol⁻¹. Then molecular mass of non-volatile substance is :-
a) 58 gmol⁻¹
b) 120 gmol⁻¹
c) 60 gmol⁻¹
d) 116 gmol⁻¹
