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5. For many years the recovery of gold, that is, the separation of gold from other materials, involved the use of potassium cyanide: 4Au + 8KCN + O2 + H2o → 4KAU(CN)2 + 4KOH What is the maximum amount of KCN in moles needed to extract 29.0 g (about an ounce) of gold?

5. For many years the recovery of gold, that is, the separation of gold from other materials, involved the use of potassium cyanide: 4Au + 8KCN + O2 + H2o → 4KAU(CN)2 + 4KOH What is the maximum amount of KCN in moles needed to extract 29.0 g (about an ounce) of gold?

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
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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5. For many years the recovery of gold, that is, the separation of gold from other materials, involved the use of potassium cyanide: 4Au + 8KCN + 02 + H20 - 4KAU(CN)2 + 4KOH What is the maximum amount of KCN in moles needed to extract 29.0 g (about an ounce) of gold?
Transcribed Image Text:5. For many years the recovery of gold, that is, the separation of gold from other materials, involved the use of potassium cyanide: 4Au + 8KCN + 02 + H20 - 4KAU(CN)2 + 4KOH What is the maximum amount of KCN in moles needed to extract 29.0 g (about an ounce) of gold?
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