-Aqueous solutions with one mole of each solid in equal volumes of water are prepared.Which solution would have the lowest freezing point? A)C₆H₁₂O₆ B)NaNO₃ C)CaCl₂ D)All would have the same freezing point.

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Quizplus · Accepted Answer

The freezing point of a solution is dependent on the number of particles in the solution. The more particles there are, the lower the freezing point. In this case, CaCl2 is a strong electrolyte and when it dissolves in water it dissociates into Ca2+ and 2Cl- ions, resulting in three particles. The other options do not dissociate into as many particles or do not dissociate at all, so they would have a higher freezing point. Therefore, option C would have the lowest freezing point.

-Aqueous Solutions with One Mole of Each Solid in Equal