The Roasting of Cu₂S(s)produces Cu(s)and SO₂(g)

question 20

Multiple Choice

The roasting of Cu₂S(s) produces Cu(s) and SO₂(g) .What mass of sulfur dioxide is produced by the roasting of 1.00 × 10³ kg Cu₂S(s) ?
Cu₂S(s) + O₂(g) → 2Cu(s) + SO₂(g)

• A) 201
• B) 402 kg
• C) 798 kg
• D) 804 kg
• E) 2.48 × 10³ kg

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Definitions:

Labor

The human effort, including both physical and mental exertion, used in the production of goods and services.

Machines

Mechanical or electronic devices that perform tasks or assist in carrying out tasks, ranging from simple tools to complex systems.

Average Cost

It refers to the total cost per unit produced, calculated by dividing the total cost of production by the number of units produced.

Copper

A reddish-brown, malleable, ductile metallic element used as a conductor of heat and electricity, and in various alloys.