A 1078 G Sample of a Compound Containing Only Carbon,hydrogen,and Oxygen

question 45

Multiple Choice

A 1.078 g sample of a compound containing only carbon,hydrogen,and oxygen is burned in an excess of dioxygen,producing 2.451 g CO₂ and 1.003 g H₂O.What mass of oxygen is contained in the original sample?

• A) 0.2970 g
• B) 0.3531 g
• C) 1.373 g
• D) 1.447 g
• E) 0.07480 g

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