To Identify A Diatomic Gas X2 A Researcher Carried Out The Following Experiment

To identify a diatomic gas (X2), a researcher carried out the following experiment: She weighed an empty 1.0- bulb, then filled it with the gas at 1.30atm and 25.0 degrees celsius and weighed it again. The difference in mass was 1.5g . Identify the gas.

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