With the help of a graph explain why it is not possible to determine Λ°m for a weak electrolyte by extrapolating the molar conductivity (Λm) versus C^(1/2) curve as for strong electrolyte.

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TextEMF of a Cell and Its CalculationNernst Equation for Cell PotentialVariation of Molar Conductivity with ConcentrationApplications of Kohlrausch's LawCBSE PYQ

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Calculate the e.m.f. of the following cell at 298K : Fe(s) | Fe²⁺ (0.001 M) || H⁺ (0.01M) | H₂(g) (1 bar) | Pt(s) Given that E°cell = +0.44 V [log 2 = 0.3010 log 3 = 0.4771 log 10 = 1]

TextEMF of a Cell and Its CalculationNernst Equation for Cell Potential

In a plot of Λm against the square root of concentration (C1/2) for strong and weak electrolyte, the value of limiting molar conductivity of a weak electrolyte cannot be obtained graphically. Suggest a way to obtain this value. Also state the related law, if any.

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