The percentage composition by weight of an aqueous solution of a solute (molecule mass 150) which boils at 373.26 is (Kb = 0.52)

solvent is watergiven Tb=373.26KMW of solute = 150percentage composition by wt. of an aq. sol. = ?Wsolute = W    ,         Wsolvent= (100-W) Wt. of solute =7gm          wt. of sol. = 100gm