Molarity is the concentration of a solution in terms of the number of moles of the solute in 1 dm 3 (1 liter) of the solution. What are the units of molarity? The units of molarity are M or mol/L. A 1 ...

{volume\ (dm^3)}\) The units for concentration are also shown as mol dm-3 or M (for ‘molar’), but this means the same as moles/dm 3.