Solutions Flashcards
(16 cards)
What is a pure substance?
A substance where all the particles are identical
What is an impure substance?
A substance with 2 or more types of particles
What is a Solute?
A substance that dissolves in a solvent
What is a Solvent?
A solvent is the liquid in which a solute dissolves in
What is a Solution?
The mixture formed by a solute and a solvent
What does dissolve mean?
When a substance mixes completely with a solvent to produce a solution
What does Soluble mean?
To be able to dissolve in a particular solvent
What does Insoluble mean?
Not able to dissolve in a particular solvent
What are 3 things that can affect how fast a solute dissolves?
Stirring, Particle Size and Heat
What would dissolve faster: smaller particles or larger particles?
Smaller particles
What’s a solubility curve?
A graph of how a solute dissolves according to temperature
What is the solubility of table salt at 20°C?
36.0g/100g of water
What does filtration do?
It filters out an insoluble substance and solvent
What does evaporation do?
It filters a soluble solute and solvent
What does Distillation do?
It filters out 2 liquids with different boiling points
What does Chromatography do?
It shows all the colours in an ink or liquid
