Equal numbers of moles of

CO2(g),N2(g)

, and

NH3(g)

are placed in a sealed vessel at room temperature. If the vessel has a pinhole-size leak, which of the following will be true after some of the gas mixture has effused?\ I. The mole fraction of

CO2

in the sample will increase.\ II. The N2 will effuse the fastest since it is the lightest.\ III. All gases will effuse at the same rate since the temperature is held constant.]

3. Equal numbers of moles of CO2(g),N2(g), and NH3(g) are placed in a sealed vessel at room temperature. If the vessel has a pinhole-size leak, which of the following will be true after some of the gas mixture has effused? I. The mole fraction of CO2 in the sample will increase. II. The N2 will effuse the fastest since it is the lightest. III. All gases will effuse at the same rate since the temperature is held constant.I