Calculate the mass ( kg ) of the solute benzene and the mass ( kg ) of the solvent acetone that should be combined to generate 1.51 kg of a solution that is 0.275 m benzene.

Answer 1

molality=massbenzen/molmassbenze*Kgsolvent

= massbenzene/(Molmass*(1510g-massbenzene))
solve for mass benzene