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An aqueous solution containing a nonvolatile solute will have a freezing point above 0°c at 1 atm pressure.
Accepted Answer
Correct. The freezing point of a solution is the temperature at which the solid and liquid phases of the pure solvent are in equilibrium. When a nonvolatile solute is added to a solvent, the freezing point of the solution decreases because the solute particles interfere with the formation of the solvent crystals. The greater the concentration of the solute, the greater the decrease in the freezing point. Therefore, an aqueous solution containing a nonvolatile solute will have a freezing point above 0°C at 1 atm pressure.
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