The resistance of 0.1 {\M} weak acid HA in a conductivity cell is 2 \times 10^3 {\Ohm}. The cell constant of the cell is 0.78 {\C} {\m}^{-1} and \lambda_{ {\m}}^{\circ} of acid HA is 390 {\S} {\cm}^2 {\mol}^{-1}. The {\pH} of the solution is

KCET 2023 Chemistry Solved Paper

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The resistance of 0.1M weak acid HA in a conductivity cell is 2×103‌Ohm. The cell constant of the cell is 0.78Cm−1 and λm∘ of acid HA is 390Scm2mol−1. The pH of the solution is

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