What amperage is necessary to plate out 24.5 grams of aluminum onto an object in 12 hours and 35 minutes?

Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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What amperage is necessary to plate out 24.5 grams of aluminum onto an object in 12 hours and 35 minutes?

Group of answer choices
7.04 A
5.80 A
4220 A
6.02 A
6.20 A
Expert Solution
Step 1

The quantitative relationship between the amount of electricity passed through a cell and the amount of substance discharged at the electrode is known as electrolysis.

Step 2

Given information:

Mass of aluminium = 24.5 g

Time taken = 12 hours and 35 minutes

1 hour = 60 minutes1 minute = 60 second12 hours = 12×60×60 sec              = 43200 sec35 minutes =35×60 sec                 =2100 sec

Time in seconds = 43200+2100 sec

                           = 45300 sec

Molar mass of aluminium = 27 g/mole

Valency of aluminium = 3

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