A thin circular-disk earrings 10.0cm in diameter is plated with a coating of gold 0.20mm thick from an Au3+ bath. How many days (approx.) does it take to deposit the gold on one side of one earring if the current is 0.193 ampere.
A thin circular-disk earrings 10.0cm in diameter is plated with a coating of gold 0.20mm thick from an Au3+ bath. How many days (approx.) does it take to deposit the gold on one side of one earring if the current is 0.193 ampere.
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1 Answer
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Eq. = no. of faraday
 
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