Question

the resistance of a N/10 Kcl aqueous solution is 245 ohm. if the electrodes in the cell are 4 cm apart and area having 7 cm² is the molar conductance of the solution will be

Answer 1

We have,

Concentration = 0.1 M

Resistance = 245 ohm

Length, L = 4

Area, A = 7

=> conductance = 1/245

We know that

specific conductance, k = conductance * L/A

= 1*4/245*7

= 0.002332 mho cm⁻¹

We know that Molar conductance = specific conductance / concentration

= 0.002332/0.1

= 0.02332 mho cm⁻¹M⁻¹

Hence the molar conductance of the solution is 0.02332 mho cm⁻¹M⁻¹.

Answer 2

Explanation:

refer the attachment above

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