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Solubility

Key Stage 2

Meaning

Solubility is how easy it is to dissolve a solid in a liquid.

About Solubility

If it is very easy to dissolve something then it is called soluble.
If it is very difficult to dissolve something it is called insoluble.

Examples

Soluble Materials
Salt Sugar
Salt.png
Sugar.png
Insoluble Materials
Sand Flour
Sand.png
Flour.png

Key Stage 3

Meaning

Solubility is the maximum mass of solute that can dissolve in a given mass of water.

About Solubility

If a large mass of solute is able to dissolve in a given mass of water it is referred to as soluble.
If only a small mass of solute is able to dissolve in a given mass of water it is referred to as insoluble.

References

Edexcel

Solubility, pages 68-69, GCSE Chemistry, Pearson, Edexcel

OCR

Solubility, page 43, 116, 276, Gateway GCSE Chemistry, Oxford, OCR