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NEET2010ChemistryElectrochemistryActual

Calculate _ H O A C ^ using appropriate molar conductances of the electrolytes listed above at infinite dilution in H ₂ O at 25^ C .

Options

  1. A517.2
  2. B552.7
  3. C390.7
  4. D217.5

Correct answer

C. 390.7

Step-by-step solution

aligned & _ HOAC ^ = _ NaOAC ^ + _ HCl ^ - _ NaCl ^ & =91.0+426.2-126.5 ~S ~cm ^2 ~mol ⁻¹ & =390.7 ~S ~cm ^2 ~mol ⁻¹ aligned

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