• The molality (m) of a solution is the moles of solute divided by the kilograms of solvent.
  • The symbol for molality is a lower-case m written in italics.
  • Molality is used because its value does not change with changes in temperature.
  • For solutions with solvents other than water, the molality will be very different than the molarity.
  • Make sure that you are paying attention to which quantity is being used in a given problem.
  • The calculation of molality.
  • is described.
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