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12th Class Chemistry Sample Paper Chemistry Sample Test Paper-5

  • question_answer
      Resistance of a conductivity cell filled with 0.1 mol  KCl solution is . If the resistance of the same cell when filled with 0.02 mol KCl solution is .calculate the conductivity and molar conductivity of 0.02 mol  KCl solution. The conductivity of 0.1 mol  KCl solution is 1.29 S/m.                 

    Answer:

      Resistance = Specific resistance x Cell constant For O.T M solution  Cell constant Cell constant =1.29 x 100 = 129      [1] For 0.02 M solution                                                  Molar conductivity                          [1]


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