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A current of 0.80 A was applied to an electrolytic cell containing molten CdCl2 for 2.5 hours. Calculate the mass of cadmium metal deposited. The molar mass of Cadmium is 112.40.   One Faraday = 96,500 coulombs. Round the answer to two significant digits. 1.) 3.2 × 10–7 g 2.) 1.2 × 10–3 g 3.) 4.2 g 4.) 8.4 g 5.) 16.8 g

A current of 0.80 A was applied to an electrolytic cell containing molten CdCl2 for 2.5 hours. Calculate the mass of cadmium metal deposited. The molar mass of Cadmium is 112.40.   One Faraday = 96,500 coulombs. Round the answer to two significant digits. 1.) 3.2 × 10–7 g 2.) 1.2 × 10–3 g 3.) 4.2 g 4.) 8.4 g 5.) 16.8 g

Chemistry
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
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A current of 0.80 A was applied to an electrolytic cell containing molten CdCl2 for 2.5 hours. Calculate the mass of cadmium metal deposited.

The molar mass of Cadmium is 112.40.   One Faraday = 96,500 coulombs.

Round the answer to two significant digits.

1.) 3.2 × 10–7 g
2.) 1.2 × 10–3 g
3.) 4.2 g
4.) 8.4 g
5.) 16.8 g

 
Expert Solution
Step 1

Given:

Current, i=0.80 A

Time, t=2.5 hours

Molar mass of cadmium=112.40

One Faraday=96,500 coulombs

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