Topic 7: Properties of Solutions

Solution
a homogeneous mixture of substances in the same physical state, both solvent and solute
Solute
The substance that is being dissolved, the substance present in the smaller amount
Solvent
The substance that dissolves the solute, present in a greater amount
Most common solvent is
Water
Water solutions are called
Aqueous solutions
Solutions are homogeneous
mixtures
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Solutions are clear and do not
Disperse light
Solutions can have
Color
They will not settle
on standing
They can pass through
a filter
Materials with a low solubility are
insoluble
Materials with high solubility are
soluble
as temperature increases solids become more
soluble in water
As temperature increases, the solubility of all gases
in liquid decreases
Pressure has little or no
effect on solubility
As pressure increases, the solubility of gases in liquids
increase