Anonymous
Anonymous asked in Science & MathematicsChemistry · 1 decade ago

How long will it take to deposit 0.00235 moles of gold by the electrolysis of KAuCl4

using a current of 0.214 amperes

2 Answers

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  • Dr.A
    Lv 7
    1 decade ago
    Favorite Answer

    Au3+ + 3e- >> Au

    0.00235 x 3 = 0.00705 Faradays

    0.00705 x 96500 / coulombs / Faraday = 680 Coulomb

    680 Coulomb / 0.214 coulomb/s = 3179 seconds

  • 5 years ago

    53 mins

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