Group 7 Tues Jeswhil

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    Performed by:

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    To be able to determine the electromotive force(emf) of the different galvanic cells under study.

    To be able to perform an experiment that useselectrochemistry as application.

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    Stirring Rod50 ml beakers (7 pcs)Digital MultimeterFilter paperFilter paper

    Strips (5pcs)

    Zinc SulfateLead nitrateIron (II)

    Ammonium Sulfate

    Iron (iii)Ammonium sulfateCopper (II) SulfateAluminum nitrateZinc electrodeLead electrodeIRON ELECTRODECOPPER ELECTRODEAluminum electrodePotassium chloride

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    -create galvanic cells of different composition

    -Measure the voltage produced by these

    galvanic cells

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    Soln 1 Soln 2

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    1. Calculate required mass of the substances

    to form 0.1 M of solution with given the

    volume

    0.1

    molL

    x1 L

    1000 ml

    25 mlx x

    161.45 g

    1 mol

    = 0.4036 gZnSO4

    Sample calculation using ZnSO4

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    ZnSO4

    Pb(NO)4

    Fe(NH4)2(SO4)2

    FeNH4(SO4)2

    CuSO4

    Al(NO3)3

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    1. Make a saturated potassium chloride solution

    50 ml beaker

    20 ml water

    Kcl

    Stir in untilPrecipitate

    forms

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    1. Create the galvanic cell

    Soln 1 Soln 2

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    1. Place submerge electrodes in the solutions

    Soln 1 Soln 2

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    1. Place submerge electrodes in the solutions

    Soln 1 Soln 2

    Check voltage

    Record where node is placed

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    THANK YOU for listening!

    END!