Solutions Part 2

1.80g of solute A was dissolved in 62.5cm3 of ethanol and freezing point of the solution was found to be 155.1K. The molar mass of solute A is g‌mol−1 ______.
[Given : Freezing point of ethanol is 156.0K.
Density of ethanol is 0.80gcm−3.
Freezing point depression constant of ethanol is 2.00K‌kg‌mol−1 ]