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Solubility

Year 8 solubility and mixtures

QuestionAnswer
Solute Substance that dissolves in a solvent
Solvent A liquid that can dissolve a substance
Solution A mixture of a liquid and a substance that can dissolve
Mixture Contains different substances that are not chemically joined together
Give an example of a solution Salt water/Sugar and tea
What happens when we add salt to water? Salt dissolves but the mass of the solution increases.
Soluble when a substance CAN dissolve
Give an example of a soluble substance Salt/Sugar/Copper Sulphate
Insoluble When a substance CAN'T dissolve
Give an example of an insoluble substance Wood/Glass/Metal/oil
Saturated When there are no gaps left between particles of a solvent, and no more solute will dissolve
Solubility How much solute will dissolve.
Does a hot drink have more solubility than a cold drink? Yes
How does increasing the temperature of a solvent increase the solubility? Particles will have more energy, meaning there will be more gaps between particles for a solute to dissolve into.
Dissolve When a substance is broken up and incorporated into a solvent to form a solution. e.g. when a sugar cube is broken down and absorbed into a cup of tea
How can pressure affect solubility? Increasing pressure increases solubility of gas particles as they are forced into a solvent.
Created by: Chalmers93
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