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Through a ZnSO4 solution, 0.015 A current was passed for 15 minutes. What is the mass of Zn deposited? (in mg)

(Atomic weight of Zn = 65.4 )

0 2 Views | Posted 4 weeks ago
Asked by Shiksha User

  • 1 Answer

  • A

    Answered by

    alok kumar singh | Contributor-Level 10

    4 weeks ago

    Charge passed = It

    = 0.015 × 15 × 60 C

    Moles of electrons passed = 0 . 0 1 5 × 1 5 × 6 0 9 6 5 0 0  

    Moles of Zn deposited = 1 2 × 0 . 0 1 5 × 1 5 × 6 0 9 6 5 0 0  

    = 0.00007

    Mass of Zn deposited = 0.00007 × 65.4 g = 4.58mg

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