Pure Copper May Be Produced by the Reaction of Copper(I)sulfide

question 23

Multiple Choice

Pure copper may be produced by the reaction of copper(I) sulfide with oxygen gas as follows:
Cu₂S(s) + O₂(g) → 2Cu(s) + SO₂(g)
What mass of copper(I) sulfide is required in order to prepare 0.100 kg of copper metal?

• A)0.1 kg
• B)0.05 kg
• C)0.0752 kg
• D)0.25 kg
• E)0.125 kg

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