q63

63.  Dry air is slowly passed through three solutions of  different concentrations, c₁, c₂ and c₃ :  each containing (non volatile) NaCl as solute and water as solvent, as shown in the Fig.  If the vessel 2 gain weight and vessel 3 loses weight, then : 

(1)  c₁ > c₂                     (2)  c₁ < c₂                                (3)  c₁ < c₃                                (4)  c₂ > c₃