Derive a relation between ionic mobility and molar ionic conductance
Answers
Answer:
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Explanation:
The molar ionic conductivity of each ionicspecies is proportional toits electrical mobility ( ), or drift velocity per unit electric field, according tothe equation , where z is the ionic charge and F is the Faraday constant.
The limiting molar conductivity can be decomposed into contributions from the different ions (Kohlrausch's law of independent migration of ions):
where:
is the limiting molar ionic conductivity of ion i.
is the number of ions i in the formula unit of the electrolyte (e.g. 2 and 1 for Na+ and SO42− in Na2SO4)
The molar ionic conductivity of each ionic species is proportional to its electrical mobility ( ), or drift velocity per unit electric field, according to the equation where z is the ionic charge and F is the Faraday constant.