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Chapter 11: Q11.3-17E (page 646)

Supersaturated solutions of most solids in water are prepared by cooling saturated solutions. Supersaturated solutions of most gases in water are prepared by heating saturated solutions. Explain the reasons for the difference in the two procedures.

Short Answer

Expert verified

On cooling the saturated solution, the solute becomes undissolved again in liquid form. But in gaseous, saturated solutions were heated to form supersaturated solutions because an increase in temperature makes gases lighter and undissolved. \(\)

Step by step solution

01

Definition of saturated and supersaturated solution

A saturated solution is a solution with a solute that dissolves until it鈥檚 far now no longer capable of dissolving anymore, leaving the undissolved substances at the bottom.

Supersaturated is a solution that consists of extra undissolved solute than the saturated answer due to its tendency to crystalize and precipitate.

02

Explanation

Temperature plays an important role in the solution formation. The increase in temperature in solution form increases the dissolution of solute in solvent as the increasing temperature breaks the older bonds and makes it easier to form a new bond with solute. But in the gaseous state, a decrease in temperature makes the gas change into vapor form, easier to mix, forms saturated solutions.

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