Asked by The anonymous

How long will it take for a uniform current of 6.00 A to deposit 78.0 g gold from a solution of AuCl4- ?
Answered by oobleck
so you are getting 6 coul/s of electrons in the current
How many moles in 78.0g of Au?
How many electrons get used to make each molecule of AuCl4- ?

now just do a conversion from electrons to seconds.
Answered by Claire
Thank you.
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