plshelp part C For a large batch of nails, a manufacturer needs to plate a total zinc mass of 2.80 kg on the surface to get adequate coverage.Learning Goal:To relate current, time, charge, and mass for electroplating calculations.Part AElectroplating is a form of electrolysis in which a metal is deposited on the surfaceof another metal. To quantify electrolysis, use the following relationships.How many moles of zinc are in 2.80 kg of zinc?Electric current is measured in amperes (A), which expresses the amount ofcharge, in coulombs (C), that flows per second (s):Express your answer to three significant figures and include the appropriate units.1 A = 1 C/s42.8 molAnother unit of charge is the faraday (F), which is equal to a mole of electronsand is related to charge in coulombs as follows:SubmitPrevious Answers1F = 1 mol e¯ = 96, 500 Cv CorrectPart BHow many coulombs of charge are needed to produce 42.8 mol of solid zinc?Express your answer to three significant figures and include the appropriate units.8.26x106 CSubmitPrevious AnswersCorrectPart CWith a power supply able to produce 125 A of current, how long must the nails stay in the electrolysis chamber to receive 8.26x106 C of charge?Express your answer to three significant figures and include the appropriate units.µAValueUnitsSubmitRequest Answer

Answered: Image /qna-images/answer/af954b2f-4bd5-452e-af39-ca6f96f357eb.jpg

Part C With a power supply able to produce 125 A of current, how long must the nails stay in the electrolysis chamber to receive 8.26x10° C of charge? Express your answer to three significant figures and include the appropriate units. HẢ a) ? Value Units Submit Request Answer

Part C With a power supply able to produce 125 A of current, how long must the nails stay in the electrolysis chamber to receive 8.26x10° C of charge? Express your answer to three significant figures and include the appropriate units. HẢ a) ? Value Units Submit Request Answer

Chemical Principles in the Laboratory

11th Edition

ISBN:9781305264434

Author:Emil Slowinski, Wayne C. Wolsey, Robert Rossi

Publisher:Emil Slowinski, Wayne C. Wolsey, Robert Rossi

Chapter31: Determination Of An Equivalent Mass By Electrolysis

Section: Chapter Questions

Problem 1ASA

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plshelp part C

For a large batch of nails, a manufacturer needs to plate a total zinc mass of 2.80 kg on the surface to get adequate coverage.
Learning Goal:
To relate current, time, charge, and mass for electroplating calculations.
Part A
Electroplating is a form of electrolysis in which a metal is deposited on the surface
of another metal. To quantify electrolysis, use the following relationships.
How many moles of zinc are in 2.80 kg of zinc?
Electric current is measured in amperes (A), which expresses the amount of
charge, in coulombs (C), that flows per second (s):
Express your answer to three significant figures and include the appropriate units.
1 A = 1 C/s
42.8 mol
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:
Submit
Previous Answers
1F = 1 mol e¯ = 96, 500 C
v Correct
Part B
How many coulombs of charge are needed to produce 42.8 mol of solid zinc?
Express your answer to three significant figures and include the appropriate units.
8.26x106 C
Submit
Previous Answers
Correct
Part C
With a power supply able to produce 125 A of current, how long must the nails stay in the electrolysis chamber to receive 8.26x106 C of charge?
Express your answer to three significant figures and include the appropriate units.
µA
Value
Units
Submit
Request Answer

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