Solubility
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Solubility. What is solubility? How do I interpret solubility curves? Conditions of Solution Equilibrium. You order SWEET tea on a hot day. It arrives and you take a giant gulp. YUCHKG! They served you unsweet and the waiter is nowhere in sight. Sugar packets are on the table.

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Solubility

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Solubility

Solubility

What is solubility?

How do I interpret solubility curves?

Conditions of Solution Equilibrium


Solubility

  • You order SWEET tea on a hot day.

  • It arrives and you take a giant gulp.

  • YUCHKG! They served you unsweet and the waiter is nowhere in sight.

  • Sugar packets are on the table.

  • Do you dare? Why or why not?


Will these substances mix

Will these substances mix?

  • Can you explain why or why not?

  • Water and Vinegar

  • Lithium chloride and water

  • Water and oil

  • Gasoline and alcohol


What is solubility

What is Solubility?

  • Solubilitydepends on:

  • Nature of the solute and solvent

  • Temperature

  • Pressure (for gases)


Solubility is

Solubility is …

  • Solubility = the amount of substance required to form a saturated solution with a specific amount of solvent at a specified temperature.

  • grams of solute per 100 grams of solvent

  • TEMPERATURE must be specified

  • Pressuremust be specified.

  • GENERALLY – Solubility increases as Temp increases.

  • But NOT ALWAYS TRUE! Exceptions: NH3, SO2, HCl


Solubility curves

Solubility Curves


Practice with solubility curves

Practice with Solubility Curves


Three conditions of solution equilibrium

Three conditions of solution equilibrium:

  • Unsaturated Solution: contains less solute than a saturated solution

  • Saturated Solution: contains maximum amount of dissolved solute at specified temp

  • Supersaturated Solution: contains more dissolved solute than a saturated solution


Examples

Examples

  • Carbonated water is supersaturated with carbon dioxide

  • Air can be supersaturated with water forming clouds/precipitation

  • Hand Warmers use supersaturated sodium acetate.


How do hand warmers work

How do hand warmers work?

  • Hand Warmers in Action click here!

  • Video Link


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