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If 2.7 moles of copper metal was deposited from a solution of Cu(NO3)2, how many electrons were involved?

  • science -

    2.7moles of Cu is 2.7*Avag number of atoms..

    each atom takes two electrons.

    electrons= 2*2.7*avagnumber

    charge=electrons*chargeonOneelectron
    = 2*2.7*avagnumber*1.60217657 × 10-19

    current required=charge/time

    Well, I have went further than the question asked. Your teacher is too easy.

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