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 - DrBob222, Friday, October 24, 2008 at 8:07pm
Refer to my previous post. You need units.