Department of Pre-University Education, KarnatakaPUC Karnataka Science Class 12
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Define the Following Terms: Molar Conductivity (⋀M) - Chemistry

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Define the following terms: Molar conductivity (m)

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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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