Enter the molar conductivity, conductivity, and molar concentration into the calculator to determine the missing variable.
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Molar Conductivity Formula
The following formula is used to calculate the molar conductivity for a given conductivity and molar concentration.
Λ_m = κ / C
Variables:
- Λ_m is the molar conductivity (S·m²/mol)
- κ is the conductivity (S/m)
- C is the molar concentration (mol/m³)
To calculate the molar conductivity, divide the conductivity by the molar concentration.
What is Molar Conductivity?
Molar conductivity, also known as molar ionic conductivity, is a measure of the ability of an ion to conduct electricity in a solution. It is defined as the conductivity of a solution containing one mole of electrolyte divided by the molar concentration of the electrolyte. Molar conductivity provides insights into the efficiency of ions in conducting electric current and is an important parameter in electrochemistry, particularly in the study of electrolyte solutions and their behavior under different conditions.
How to Calculate Molar Conductivity?
The following steps outline how to calculate the Molar Conductivity.
- First, determine the conductivity (κ) of the solution.
- Next, determine the molar concentration (C) of the electrolyte in the solution.
- Finally, calculate the molar conductivity (Λ_m) using the formula Λ_m = κ / C.
- After inserting the values and calculating the result, check your answer with the calculator above.
Example Problem :
Use the following variables as an example problem to test your knowledge.
Conductivity (κ) = 1.5 S/m
Molar Concentration (C) = 0.5 mol/m³