. Define molar conductivity of a substance and describe how for weak and strong electrolytes
(a) Define molar conductivity of a substance and describe how for weak and strong electrolytes, molar conductivity changes with concentration of solute. How is such change explained
(b) A voltaic cell is set up at 25 oC with the following half cells:
Ag+ (0.001 M) | Ag and Cu2+ (0.10 M) | Cu
What would be the voltage of this cell? (E o cell = 0.46 V)
OR
(a) State the relationship amongst cell constant of a cell, resistance of the solution in the cell and conductivity of the solution. How is molar conductivity of a solute related to conductivity of its solution?
(b) A voltaic cell is set up at 25 oC with the following half-cells:
Al | Al3+ (0.001 M) and Ni | Ni2+ (0.50 M)
Calculate the cell voltage [E o Ni2+/Ni = – 0.25 V, E o Al/Al3+ = – 1.66 V]
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