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: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter17: Electrochemistry And Its Applications

Section: Chapter Questions

Problem 88QRT

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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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