A Sample of O₂ Gas (2

Multiple Choice

A sample of O₂ gas (2.0 mmol) effused through a pinhole in 5.0 s. It will take ________ s for the same amount of CO₂ to effuse under the same conditions.

A) 4.3
B) 0.23
C) 3.6
D) 5.9
E) 6.9