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Outline
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MOLARITY
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MOLARITY
  • A unit on concentration that is the ratio between moles of DISSOLVED substance and liters of solution



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Molarity (M)
=
moles of solute (mol)
volume of solution (L)
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There are many ways to represent molarity:
  • Molarity
  • M
  • Molar
  • mol / L


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MAKE SURE YOUR UNITS ARE CORRECT!!!

ALWAYS
mol/L
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Homogeneous Mixtures are also known as SOLUTIONS!
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Solutions are made
up of two parts
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SOLUTE
the part of a solution present in the LEAST amount
(what is dissolved)
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SOLVENT
the part of a solution present in the greatest amount
(what does the dissolving)
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SOLUTION!!!
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Solubility
amount of solute that will dissolve in an amount of solvent at a given temperature
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Saturated Solution
contains the maximum amount of solute for an amount of solvent at a given temperature
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Unsaturated Solution
contains less solute than
a saturated solution
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Supersaturated Solution
contains more solute than it should theoretically be able to hold at a certain temp
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MOLARITY
A measurement of concentration of a solution
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MOLARITY
moles of solute divided by liters of solution
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MOLARITY
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Colligative Property
property of a solution that depends only on the concentration of
the solution
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Two Main Colligative Properties: