The SI unit of molar conductivity is siemens meters squared per mole $\left(\mathrm{Sm}^2 \mathrm{~mol}^{-1}\right)$. However, values are often quoted in $\mathrm{Scm}^2 \mathrm{~mol}^{-1}$.
Explanation
- Molar conductivity is a measure of how well an electrolyte conducts electricity in a solution.
- It's calculated by dividing the conductivity of an electrolyte solution by its molar concentration.
- The unit $\mathrm{Scm}^2 \mathrm{~mol}^{-1}$ is used to describe the conductance of a solution between parallel plate electrodes that are one centimeter apart.