question_answer

B In a fuel cell, following reactions takes place and electricity is produced. Anodic: \[{{H}_{2}}\]+\[2O{{H}^{-}}\]\[\to \]\[2{{H}_{2}}O\]+\[2{{e}^{-}}\] Cathodic: \[{{O}_{2}}\] + \[2{{H}_{2}}O\] + \[4{{e}^{-}}\]\[\to \] \[4O{{H}^{-}}\] If 100.8 L of \[{{H}_{2}}\]at STP reacts in 96500 s, what is the average current produced (in ampere)?

Answer:

9