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March 31, 2015

Homework Help: chemistry

Posted by krystal on Tuesday, February 21, 2012 at 9:11pm.

A pan full of hot salt water, NaCl(aq), is cooled and NaCl(s) precipitates. Explain why this happens.

Chloride ions are more strongly attracted to the metal in the pan than the sodium ions at low temperatures.

As the vapor pressure of the solution decreases the solubility of the salt goes down.

As the temperature decreases the solubility of the salt goes down and the salt in excess settles out as a precipitate.

As the temperature decreases the solubility of the salt goes up and the salt in excess dissolves.

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