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SOLUTIONS & SOLUBILITIES. TERMS. Solution: a homogeneous mixture containing particles the size of a typical ion or covalent molecule. (0.1–2.0 nm in diameter) Colloid: a homogeneous mixture containing particles with diameters in the range 2–500 nm

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terms
TERMS
  • Solution: a homogeneous mixture containing particles the size of a typical ion or covalent molecule. (0.1–2.0 nm in diameter)
  • Colloid: a homogeneous mixture containing particles with diameters in the range 2–500 nm
  • Suspensions are mixtures with even larger particles, but they are not considered true solutions because they separate upon standing.
  • Solute: the dissolved substance in a solution
  • Solvent: the major component in a solution

SOLUTION AND SOLUBILITIES

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A solution is saturated when no additional solute can be dissolved at a particular temperature
  • A Supersaturatedsolution can form when more than the equilibrium amount of solute is dissolved at an elevated temperature, and then the supersaturated solution is slowly cooled.
  • An Unsaturated solution is formed when more of the solute can dissolve in it at a particular temperature.

SOLUTION AND SOLUBILITIES

kinds of solutions
KINDS OF SOLUTIONS

SOLUTION AND SOLUBILITIES

solubility
SOLUBILITY
  • The amount of solute per unit solvent required to form a saturated solution is called the solute's Solubility.
  • When two liquids are completely soluble in each other they are said to be Miscible.
  • Solubility is effected by Temperature. With increase in temperature solubility of most of the substances increases.
  • Most gases become less soluble in water as the temperature increases.

SOLUTION AND SOLUBILITIES

solubility graph of salts in water
SOLUBILITY GRAPH OF SALTS IN WATER

SOLUTION AND SOLUBILITIES

solubility graph of gases in water
SOLUBILITY GRAPH OF GASES IN WATER

Pressure has little effect on the solubility of liquids and solids. The solubility of gases is strongly influenced by pressure. Gases dissolve more at high pressure.

SOLUTION AND SOLUBILITIES

solubility of common ions in water
SOLUBILITY OF COMMON IONS IN WATER

SOLUTION AND SOLUBILITIES

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SOLUTION AND SOLUBILITIES