Department of Pre-University Education, KarnatakaPUC Karnataka Science Class 12

# Define the Following Terms: Molar Conductivity (⋀M) - Chemistry

Define the following terms: Molar conductivity (m)

#### Solution

Molar conductivity (Λm) of a solution at a given concentration is the conductance of the volume V of the solution containing one mole of an electrolyte placed between two electrodes with the cross-sectional area (A) and the distance of unit length (l). Therefore

^^_m=kA/l

Since, l = 1 and A = V (volume containing one mole of electrolyte)

^^_m=kV

Concept: Conductance of Electrolytic Solutions - Variation of Conductivity and Molar Conductivity with Concentration
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