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

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using a current of 0.214 amperes

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  1. 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

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