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The molar conductivities _ NaOAC ^ and _ HCl ^ at infinite dilution in water at 25^ C are 91.0 and 426.2 ~S ~cm ^2 / mol respectively. To calculate _ HOAc ^O , the additional value required is

Options

  1. A_ H ₂ O ^
  2. B_ KCl ^
  3. C_ NaOH ^
  4. D_ NaCl ^

Correct answer

D. _ NaCl ^

Step-by-step solution

aligned & _ CH ₃ COONa ^0= _ CH ₃ COO ⁻ ^0+ _ Na ⁺ ^0 & _ HCl ^0= _ H ⁺ ^0+ _ C ^0 & _ NaCl ^0= _ Na ^0+ _ Cl ^0 & _ CH ₃ COOH ^0=(1)+(2)-(3) aligned

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