A 10.0 gram sample of copper ore was dissolved in nitric acid and then electrolyzed until all of the copper(II) ion was extracted at the cathode as copper metal. If the electrolysis required 15.0 minutes at a current of 2.50 A's, determine the percentage of copper in the original ore sample?

A 10.0 gram sample of copper ore was dissolved in nitric acid and then electrolyzed until all of the copper(II) ion was extracted at the cathode as copper metal. If the electrolysis required 15.0 minutes at a current of 2.50 A's, determine the percentage of copper in the original ore sample?

Chemistry: Principles and Reactions

8th Edition

ISBN:9781305079373

Author:William L. Masterton, Cecile N. Hurley

Publisher:William L. Masterton, Cecile N. Hurley

Chapter17: Electrochemistry

Section: Chapter Questions

Problem 103QAP: An alloy made up of tin and copper is prepared by simultaneously electroplating the two metals from...

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Question

A 10.0 gram sample of copper ore was dissolved in nitric acid and
then electrolyzed until all of the copper(II) ion was extracted at the
cathode as copper metal. If the electrolysis required 15.0 minutes at
a current of 2.50 A's, determine the percentage of copper in the
original ore sample?

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