If ratio of mole fraction of solute to solvent is unity, what would be `%` by weight? (concentration of solute) )M solute=M molecular mass of solvent)

If ratio of mole fraction of solute to solvent is unity, what would be % by weight? (concentration of solute) )M solute=Molecular mass of solute and M solvent = molecular mass of solvent)

If mole fraction of the solvent in a solution decreases then:

If mole fraction of the solvent in a solution decreases than:

If mole fraction of the solvent in a solution decreases than:

If mole fraction of the solvent in a solution decreases than:

If mole fraction of the solvent in a solution decreases than:

If the mole fraction of a solute in a binary solution is 0.3 , what could be the mole fraction of the solvent in the solution?