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    Electrolysis of a solution

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    Electrolysis of a solution containing an unknown metal ion with a +3 charge deposited 0.159 g of the metal on the cathode over a period of 2.00 minutes at a constant current of 2.00 A. What is the molecular weight of the unknown?

    A)
    207 g/mol
    B)
    192 g/mol
    C)
    128 g/mol
    D)
    21.3 g/mol
    E)
    63.9 g/mol

    © BrainMass Inc. brainmass.com October 10, 2019, 2:53 am ad1c9bdddf
    https://brainmass.com/chemistry/stoichiometry/electrolysis-of-a-solution-398553

    Solution Preview

    mass of metal liberated, m = (I*t*M)/ (F*z)
    I = current (A), t = ...

    Solution Summary

    This solution helps with a problem regarding electrolysis of a solution.

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