chemistry

A mixture containing 50grams of carbon and 75 grams of oxygen is sealed in a flask. The total mass of the system is 225 grams. The flask is heated to cause the carbon and oxygen to react. The sealed flask is massed. What is the mass of the sealed flask?
A) 125 grams
B) 150 grams
C) 175 grams
D) 225 grams

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asked by steve
  1. Why would it be anything but 225 grams?

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  2. 225

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    posted by tina
  3. 33

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  4. a. 125 g

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    posted by b.k
  5. 225 grams

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    posted by Lovelea

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