At equal concentrations would a nonelectrolyte (e. g. glucose) or electrolyte (e. g. nacl) containing solution have a lower freezing point? why?

Answer is: solution of electrolyte will have lower freezing point than solution of nonelectrolyte.
This is because salt solution has more particles in of sodium chloride (sodium and chlorine ions) than in same concentration of glucose. Electrolytes better separates into particles in water because of their ionic bond.

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