If the solubility of a solid increases with temperature, a supersaturated solution of this solid could be prepared by doing what to a saturated solution? 1. slowly heating 2. adding more solute 3. rapidly heating 4. rapidly cooling 5. slowly cooling

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Chemistry

Teresa

3 March, 06:01

If the solubility of a solid increases with temperature, a supersaturated solution of this solid could be prepared by doing what to a saturated solution? 1. slowly heating 2. adding more solute 3. rapidly heating 4. rapidly cooling 5. slowly cooling

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Mike · Answer 1

Hello!

A supersaturated solution of this solid could be prepared by slowly cooling a saturated solution.

If we cool a solution, we are decreasing the solubility of the solid in that solution. But if we do it very slowly, the solid will not precipitate but remain in solution, so we'll have a supersaturated solution (i. e. a solution that has more solute dissolved than its needed to form a saturated solution). Any little disturbance in the system after cooling will cause the solid to precipitate.

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