rank the given solutions in aquous form from

Question

Rank the given solutions in aquous form from lowest to highest boiling point: 0.5 m NaCl, 1 m KCl, 0.5 m BaCl₂, 1 m Ba(NO₃)₂. 1. Ba(NO₃)₂ < 0.5 m NaCl < 0.5 m BaCl₂< 1 m KCl₂. 0.5 m BaCl₂ < 1 m KCl < 1 m Ba(NO₃)₂< 0.5 m NaCl ₃. 0.5 m NaCl < 0.5 m BaCl₂ < 1 m KCl < 1 m Ba(NO₃)2 4. 1 m KCl < 1 m Ba(NO₃)₂ < 0.5 m NaCl < 0.5 m BaCl₂