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In: Chemistry

You need to electroplate a 140-nm-thick zinc coating onto both sides of a very thin, 1.0 cm × 1.0 cm copper sheet.

You need to electroplate a 140-nm-thick zinc coating onto both sides of a very thin, 1.0 cm × 1.0 cm copper sheet. You know that the charge carriers in the ionic solution are divalent (charge 2e) zinc ions. The density of zinc is 7140 kg/m3. How many seconds will it take the zinc to reach the desired thickness?

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