50 mL of H2 gas diffuses through a small hole from a vessel in 20 min. Time taken by 40 mL of O2 gas to diffuse under similar conditions will be :
12 min
64 min
8 min
32 min
rH2=5020=2.5 rO2=40t rH2rO2=2.540t=√MO2MH2=√322=4 2.5 t = 160 t = 64 min.
50 ml of hydrogen diffuses out through a small hole from a vessel in 20 minutes. The time needed for 40 ml of oxygen to diffuse out is........