Chemistry
Chemistry, 04.12.2019 04:31, weeman67161

To identify a diatomic gas (x2), a researcher carried out the following experiment: she weighed an empty 2.2-l bulb, then filled it with the gas at 2.00 atm and 27.0 ∘c and weighed it again. the difference in mass was 5.1 g.
identify the gas. express your answer as a chemical formula.

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