1.4g of acetone dissolved in 100 g of benzene gave a solution which freezes at 277.12 K. Pure benzene freezes at 278.4 K. 2.8 of solid (A) dissolved in 100g of benzene gave a solution which froze at 277.76 K. Calculate the molecular mass of (A)

Answer 1

232

Hence (A) is the correct answer.