You have 34.5 g of O₂ gas in a container with twice the volume as one with CO₂ gas.The pressure and temperature of both containers are the same.Calculate the mass of carbon dioxide gas you have in the container. A) 0.539 g B) 47.4 g C) 2.16 g D) 23.7 g E) none of these

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Quizplus · Accepted Answer

Using the ideal gas law and the fact that the number of moles is proportional to the volume for gases at the same temperature and pressure, the mass of CO2 is half that of O2 because the volume is half. Therefore, the mass of CO2 is 34.5 g / 2 = 17.25 g. However, the molar mass of CO2 is 44 g/mol, and for O2 it is 32 g/mol. Adjusting for molar mass, the mass of CO2 is (34.5 g * 44 g/mol) / (32 g/mol) / 2 = 23.7 g.

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