Explain the difference in mass was chemical formula

Reference no: EM13490167

To identify a diatomic gas (x2), a researcher carried out the following experiment: She weighed an empty 4.8- bulb, then filled it with the gas at 1.40atm and 20.0 degC and weighed it again. The difference in mass was 7.9g . Identify the gas. Express your answer as a chemical formula. like H20

Reference no: EM13490167

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