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Carbon will burn in sufficient oxygen to produce carbon dioxide. In an experiment, 8.40 g of carbon reacts with oxygen and 30.80 g of carbon dioxide is produced. (a) What mass of oxygen reacted with 8.
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Carbon will burn in sufficient oxygen to produce carbon dioxide. In an experiment, 8.40 g of carbon reacts with oxygen and 30.80 g of carbon dioxide is produced. (a) What mass of oxygen reacted with 8.40 g of carbon? (b) Calculate the percentage composition by mass of carbon dioxide.​

User BurebistaRuler
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I'm not sure about the answer to that question, but you can try using a chemistry calculator or looking up the formula online to help you. As for the percentage composition by mass of carbon dioxide, it's 27.27% carbon and 72.73% oxygen.
User Jonesopolis
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