22. Copper is obtained from sulfide ores through a two-step process consisting of roasting the ore in the presence of oxygen and heating the resultant copper(l) oxide with powdered carbon. The overall reaction is as follows: * 2Cu2S (s) + 302 (g) + 2C (s) → 2SO2 (g) + 4Cu (s) + 2CO (g) Calculate the maximum yield of copper obtained from 1.60 kg of CuzS. (Relative atomic mass: S, 32; O, 16; C, 12; Cu, 64) A. 0.26 kg В. 0.64 kg С. 0.96 kg D. 1.28 kg

22. Copper is obtained from sulfide ores through a two-step process consisting of roasting the ore in the presence of oxygen and heating the resultant copper(l) oxide with powdered carbon. The overall reaction is as follows: * 2Cu2S (s) + 302 (g) + 2C (s) → 2SO2 (g) + 4Cu (s) + 2CO (g) Calculate the maximum yield of copper obtained from 1.60 kg of CuzS. (Relative atomic mass: S, 32; O, 16; C, 12; Cu, 64) A. 0.26 kg В. 0.64 kg С. 0.96 kg D. 1.28 kg

Chemistry for Engineering Students

4th Edition

ISBN:9781337398909

Author:Lawrence S. Brown, Tom Holme

Publisher:Lawrence S. Brown, Tom Holme

Chapter4: Stoichiometry

Section: Chapter Questions

Problem 4.87PAE

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