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10g fairly concentrated solution of CuSO4 is electrolysed using 0.01F of electricity.calculate:: (a) The weight of resulting solution. (b) Equivalent of acid or alkaline in the solution.

10g fairly concentrated solution of CuSO4 is electrolysed using 0.01F of electricity.calculate::


(a) The weight of resulting solution. (b) Equivalent of acid or alkaline in the solution.

Grade:11

1 Answers

SAGAR SINGH - IIT DELHI
878 Points
13 years ago

Dear student,

Use

  • First Law
    The quantity of a substance produced by electrolysis is proprotional to the quantity of electricty used.

     

  • Second Law
    For a given quantity of electricity the quantity of substance produced is proportional to its weight.

     

  • The quantity of electricity or charge contained in a current running for a specified time can be calculated:
    Q = I x t

    Q = quantity of electricity or charge in coulombs (C)
    I = current in amps (A)
    t = time (seconds)

     

  • The Faraday constant, F, is the quantity of electricity carried by one mole of electrons.

    F =Na x charge on electron in coulombs

    F = 6.022 x 1023 mol-1 x 1.602192 x 10-19 C
    F = 96,484 C mol-1

     

    Please feel free to ask your queries here. We are all IITians and here to help you in your IIT JEE preparation.

    All the best.

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    Askiitians Expert

    Sagar Singh

    B.Tech, IIT Delhi

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