A thin circular-disk earring 4.00 cm in diameter is plated with a coating of gold 0.25 mm thick from an Au3+ bath.(a) How many days does it take to deposit the gold on one side of one earring if the current is 0.013 A (d of gold = 19.3 g/cm3)?(b) How many days does it take to deposit the gold on both sides of the pair of earrings?(c) If the price of gold in 2010 is $1210 per troy ounce (31.10 g), what is the total cost of the gold plating?

Answered: Image /qna-images/answer/1226503c-675c-4ed7-8974-69164f249df3.jpg

Answered: A thin circular-disk earring 4.00 cm in…

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 77AP

See similar textbooks

Related questions

Concept explainers

Question

A thin circular-disk earring 4.00 cm in diameter is plated with a coating of gold 0.25 mm thick from an Au³⁺ bath.
(a) How many days does it take to deposit the gold on one side of one earring if the current is 0.013 A (d of gold = 19.3 g/cm³)?
(b) How many days does it take to deposit the gold on both sides of the pair of earrings?
(c) If the price of gold in 2010 is $1210 per troy ounce (31.10 g), what is the total cost of the gold plating?

Expert Solution

Trending now

This is a popular solution!

Step by step

Solved in 3 steps with 5 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.

Similar questions