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Calculate the time to electroplate a met...

Calculate the time to electroplate a metal surface of area 80 `cm^(2)` and thickness 0.005 mm , by passing a current of 3A through an `AgNO_(3)` solution . ( Density of `Ag=10.5 g.cm^(-3)` )

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Mass of `Ag=10.5xx80xx0.0005=0.42g`
`"108 g Ag "-="96500C "therefore "0.42 g Ag "-=37527.78C`
`Q=Ixxt" "therefore 375.27=3xxt or, t=125s`
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