Stoichiometry: CO formation from C with limited oxygen Given: 1 kg of carbon requires 4/3 kg of oxygen to form carbon monoxide (CO). Compute the mass of CO produced. Choose the correct value.
Mechanical Engineering
Thermodynamics
Difficulty: Medium
Choose an option
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A8/3 kg
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B11/3 kg
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C11/7 kg
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D7/3 kg
Answer
Correct Answer: 7/3 kg
Explanation
Concept/ApproachReaction: 2C + O2 → 2COMolar masses: C=12, O2=32, CO=28.
Step-by-step24 kg C + 32 kg O2 → 56 kg COFor 1 kg C: O2 needed = 32/24 = 4/3 kg (given)CO produced = 56/24 = 7/3 kg.
Final Answer7/3 kg