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82. Copper is obtained from copper(I) sulfide by roasting it in the presence of oxygen gas...

82. Copper is obtained from copper(I) sulfide by roasting it in the presence of oxygen gas to form powdered copper(I) oxide and gaseous sulfur dioxide. [2 pt.]

a. Write the balanced equation for this process

b. How many moles of oxygen are required to roast 10.0 mol of copper(I) sulfide?

c. How many grams of sulfur dioxide form when 10.0 mol of copper(I) sulfide reacts?

d. During the roasting of copper(I) sulfide, how many kilograms of oxygen are required to form 2.86 kg of copper(I) oxide?

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