16.A solution of a nonelectrolyte solution contains 30.0 g of solute dissolved in 250.0g ofwater. The freezing point of the water is observed to be -2.50°C. The Kf for water is1.86 °C/m and normal freezing point of water is 0.00'C. What is the molar mass of thesubstance?
(A) 335 g/mol
(B) 89.5 g/mol
(C) 895 g/mol
(D) 33.5 g/mol