A) 12 min
B) 32 min
C) 8 min
D) 64 min
Correct Answer: D
Solution :
\[\frac{{{r}_{{{H}_{2}}}}}{{{r}_{{{O}_{2}}}}}=\sqrt{\frac{{{M}_{{{O}_{2}}}}}{{{M}_{{{H}_{2}}}}}}\] \[\frac{{}^{50}/{}_{20}}{{}^{40}/{}_{t}}=\sqrt{\frac{32}{2}}\] \[\frac{t}{16}=4\] \[t=64\,\min \]You need to login to perform this action.
You will be redirected in
3 sec