An aqueous solution of sucrose has been labled as one molal mole Fraction of sucrose isa) 1/55.5b) 1/56.5c) 1/57.5d) 55.5/55.6

An aqueous solution of sucrose has been labled as one molal mole Fra

1.	An aqueous solution of sucrose has been labled as one molal mole Fraction of sucrose isa) 1/55.5b) 1/56.5c) 1/57.5d) 55.5/55.6
Answer» 1 molal aqueous SOLUTION means 1 mole of solute in 1 KG (or 1000 g) of water. The molecular weight of water is 18 g/mol. The NUMBER of moles of water =18g/mol1000g=55.56molThe mole fraction of the solute =1mol+55.56mol1mol=0.018Thus, option D is correct