30. 50mL of hydrogen takes 10 minutes to diffuse at of a vessel. How long will 40mL of oxygen take to
diffuse out under similar conditions.
(a) 24 min
(b) 18 min
(c) 40 min
(d) 32 min

30. 50mL of hydrogen takes 10 minutes to diffuse at of a vessel. How long will 40mL of oxygen take to
diffuse out under similar conditions.
(a) 24 min
(b) 18 min
(c) 40 min
(d) 32 min