There are two steps in the extraction of copper metal from chalcocite, a copper ore. In the first step, copper(1) sulfide and oxygen react to form copper(1) oxide and sulfur dioxide: 2 Cu,S(3) + 30,(g) 2 Cu,O(s) + 2 SO,(8) In the second step, copper(1) oxide and carbon react to form copper and carbon monoxide: CusO(s) + C(s) 2 Cu(s) + CO(g) Suppose the yield of the first step is 86.% and the yield of the second step is 67.%. Calculate the mass of oxygen required to make 10,0 kg of copper. Be sure your answer has a unit symbol, if needed, and is rounded to 2 significant digits.
There are two steps in the extraction of copper metal from chalcocite, a copper ore. In the first step, copper(1) sulfide and oxygen react to form copper(1) oxide and sulfur dioxide: 2 Cu,S(3) + 30,(g) 2 Cu,O(s) + 2 SO,(8) In the second step, copper(1) oxide and carbon react to form copper and carbon monoxide: CusO(s) + C(s) 2 Cu(s) + CO(g) Suppose the yield of the first step is 86.% and the yield of the second step is 67.%. Calculate the mass of oxygen required to make 10,0 kg of copper. Be sure your answer has a unit symbol, if needed, and is rounded to 2 significant digits.
Chemistry & Chemical Reactivity
9th Edition
ISBN:9781133949640
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter4: Stoichiometry: Quantitative Information About Chemical Reactions
Section: Chapter Questions
Problem 7PS: The metals industry was a major source of air pollution years ago. One common process involved...
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Transcribed Image Text:There are two steps in the extraction of copper metal from chalcocite, a copper ore, In the first step, copper(1) sulride and
oxygen react to form copper(1) oxide and sulfur dioxide:
2 Cu,S(3) + 30,(g)
2 Cu,O(s) + 2 SO,(8)
In the second step, copper(1) oxide and carbon react to form copper and carbon monoxide:
CusO(s) + C(s)
2 Cu(s) + CO(g)
Suppose the yield of the first step is 86.% and the yield of the second step is 67.%. Calculate the mass of oxygen required to
make 10,0 kg of copper.
Be sure your answer has a unit symbol, if needed, and is rounded to 2 significant digits.
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