Thursday, January 6, 2011

"Molarity" of Solutions (Molar Concentration)


Solute: the chemical that is in the smaller quantity (being dissolved)
Solvent: the chemical that is in the larger quantity (does the dissolving)


What is the concentration of a solution?
- It represents the amount of solute dissolved in a certain volume of the solution.





Molar Concentration / Molarity: the number of moles of solute in one litre of a solution.

Unit: moles / L

Formulae: Molarity = moles of solute (mol) / volume of solution (L)
      or M = mol / L





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