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You can't answer this question unless you know the the NO2 was formed FROM. You need to write the balanced reaction for the reaction and then use stoichiometry to solve for the amount of oxygen produce.

See the Related Questions to the left for how to write a balanced reaction and how to use stoichiometry to solve this type of problem.

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16y ago
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9y ago

The molar mass of NO2 is 46.01 grams per mole, so there is .25 moles of NO2. This means there is also .25 moles of O2 which is equal to 7.999 grams.

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11y ago

No one can answer your question since you haven't shown the reaction equation. The reaction equation is needed so that the ratio of oxygen to nitrous oxide is known.

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12y ago

2 grams of O2

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Q: How many grams of oxygen are produced when 11.5 grams NO2 is formed?
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