How Many Kilograms of Copper Sulfide Must Be Reduced to Produce

question 135

Multiple Choice

How many kilograms of copper sulfide must be reduced to produce 3.20 × 10¹⁰ kg of Cu? The reduction of copper proceeds via the following reaction. Cu₂S (l) + O₂ (g) 2Cu (l) + SO₂ (g)

• A)3.20 × 10¹³ kg
• B)4.0 × 10¹² kg
• C)6.4 × 10¹⁰ kg
• D)1.3 × 10¹¹ kg

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