Measuring Solubility (VCE SSCE Chemistry): Flashcards
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Definition of solubility
Definition of solubility
Max amount of solute dissolved in given solvent at specific temp.
Saturated solution
Saturated solution
No more solute can dissolve at that temperature
Unsaturated solution
Unsaturated solution
Contains less solute than needed for saturation; can dissolve more
Supersaturated solution
Supersaturated solution
Unstable; contains more solute than normally possible at that temp.
Points on a solubility curve represent
Points on a solubility curve represent
Saturated solutions
Points below a solubility curve represent
Points below a solubility curve represent
Unsaturated solutions
Points above a solubility curve represent
Points above a solubility curve represent
Supersaturated solutions
Effect of increasing temp. on solid solubility in liquids
Effect of increasing temp. on solid solubility in liquids
Solubility increases for most solids
Effect of increasing temp. on gas solubility in water
Effect of increasing temp. on gas solubility in water
Solubility decreases (gases become less soluble)
Crystallisation occurrence
Crystallisation occurrence
When unsaturated solution becomes saturated; crystals form