Galvanized nals are iron nails that have been plated with zine to prevent rusting. The relevant reaction is Learning Goal: To relate current, time, charge, and mass for electroplating calculations. Za" (aq) + 20-Za(s) For a large batch of nails, a manulacturer needs to plate a total zine mass of 1.70 kg on the surface to get adequate coverage. Electroplating is a form of electrolysis in which a metal is deposited on the surface of another metal. To quantity electrolysis, use the following relationahips. Part A Electric current is measured in amperes (A), which expresses the amount of charge, in coulombs (C). that flows per second (s): How many moles of zinc are in 1.70 kg of zine? 1A =1C/s Express your answer to three signiticant figures and include the appropriate units. Another unit of charge is the faraday (F), which is equal to a mole of electrons and is related to charge in coulombs as follows: View Available Hint(s) 1F= 1 mol e - 96, 500 C Value Units Submit

Galvanized nals are iron nails that have been plated with zine to prevent rusting. The relevant reaction is Learning Goal: To relate current, time, charge, and mass for electroplating calculations. Za" (aq) + 20-Za(s) For a large batch of nails, a manulacturer needs to plate a total zine mass of 1.70 kg on the surface to get adequate coverage. Electroplating is a form of electrolysis in which a metal is deposited on the surface of another metal. To quantity electrolysis, use the following relationahips. Part A Electric current is measured in amperes (A), which expresses the amount of charge, in coulombs (C). that flows per second (s): How many moles of zinc are in 1.70 kg of zine? 1A =1C/s Express your answer to three signiticant figures and include the appropriate units. Another unit of charge is the faraday (F), which is equal to a mole of electrons and is related to charge in coulombs as follows: View Available Hint(s) 1F= 1 mol e - 96, 500 C Value Units Submit

Principles of Modern Chemistry

8th Edition

ISBN:9781305079113

Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler

Chapter17: Electrochemistry

Section: Chapter Questions

Problem 76AP

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An alloy made up of tin and copper is prepared by simultaneously electroplating the two metals from a solution containing Sn(NO3)2 and Cu(NO3)2.If 20.0% of the total current is used to plate tin, while 80.0% is used to plate copper, what is the percent composition of the alloy?
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