A 399 ML Sample of Ethane at 45°C and 656

question 14

Multiple Choice

A 399 mL sample of ethane at 45°C and 656 mm Hg is burned,producing carbon dioxide gas,which is captured,separated and cooled to 5°C.The pressure of the CO₂ sample is adjusted to 7.50 × 10² mm Hg.What is its volume?
2 C₂H₆(g) + 7 O₂(g) → 4 CO₂(g) + 6 H₂O(g)

• A)153 mL
• B)200 mL
• C)261 mL
• D)610 mL
• E)798 mL

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