Student Exploration: Solubility and Temperature
Vocabulary: concentration, dissolve, homogeneous mixture, solubility, solubility curve, solute,
solution, solvent
Prior Knowledge Questions (Do these BEFORE using the Gizmo.)
1. What happens when you stir a spoonful of sugar into hot water?,
2. When sugar or another substance is dissolved in water, it disappears from view and forms
a homogeneous mixture with the water, also called a solution.
If you can't see the sugar, how can you tell that it is there?
3. Does sugar dissolve more easily in hot water or cold water?

Solubility is the maximum amount of solute that can dissolve in a solvent. Temperature affects solubility differently for solids and gases. Solubility curves help visualize how solubility changes with temperature.

Explanation:

Solubility is the maximum amount of solute that can dissolve in a solvent at a given temperature. Not all solutes have the same solubility, as it varies based on the specific solute and solvent.

The effect of temperature on solubility differs for solids and gases. Generally, the solubility of solids increases with temperature, while the solubility of gases decreases with temperature.

Using a solubility curve, one can determine the solubilities of substances at different temperatures, which helps in understanding how temperature impacts the amount of solute that can dissolve in a solvent.

Learn more about Solubility and Temperature here:

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