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CHEM

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To identify a diatomic gas (), a researcher carried out the following experiment: She weighed an empty 1.00- bulb, then filled it with the gas at 1.10 and 23.0 and weighed it again. The difference in mass was 1.27 . Identify the gas.
Express your answer as a chemical formula.

  • CHEM - ,

    Refer to my previous post. You need units.

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