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Question A current of 5.19 A is passed through a Pb(NO3)2 solution for 1.20 h. How much lead is plated out of the solution?

Question A current of 5.19 A is passed through a Pb(NO3)2 solution for 1.20 h. How much lead is plated out of the solution?

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
Chapter18: Electrochemistry
Section: Chapter Questions
Problem 128AE: It took 150. s for a current of 1.25 A to plate out 0.109 g of a metal from a solution containing...
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I have a question. Under the periodic table the charge for Pb is 4+. Why does the equation say 2+. Just trying to understand so I don't mess up on tests. 

First we calculate moles of election It F current x time Moles of electron since, 2 = 5.19 A рьта moles of Pb(s) = + 9 é Mass of Pb(s) c/s) (1.90 hrs. 0.232 moler = = : = farraday constant 96485 = 24.03 X Pb(s) 0.232 mol. ex Go min 1 hr. ร рь 0.116 mol Pb 0.116 Mol pb) (207.2 g/mol) 60 second I min I mol Pb & molé
Transcribed Image Text:First we calculate moles of election It F current x time Moles of electron since, 2 = 5.19 A рьта moles of Pb(s) = + 9 é Mass of Pb(s) c/s) (1.90 hrs. 0.232 moler = = : = farraday constant 96485 = 24.03 X Pb(s) 0.232 mol. ex Go min 1 hr. ร рь 0.116 mol Pb 0.116 Mol pb) (207.2 g/mol) 60 second I min I mol Pb & molé
Question A current of 5.19 A is passed through a Pb(NO3)2 solution for 1.20 h. How much lead is plated out of the solution?
Transcribed Image Text:Question A current of 5.19 A is passed through a Pb(NO3)2 solution for 1.20 h. How much lead is plated out of the solution?
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