Q.

In one molal solution that contains 0.5 mole of a solute, there is             [2022]

1 500 mL of solvent  
2 500 g of solvent  
3 100 mL of solvent  
4 1000 g of solvent  

Ans.

(2)

Molality (m)=Moles of soluteMass of solvent in kg

Let amount of solvent be x g.

1=0.5x1000

x=500 g