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  4. In a H2- O2 fuel cell, 6.72 L of hydrogen at NTP reacts in 15 minutes, the average current produced in amperes is

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Q. In a $H_{2}- O_{2}$ fuel cell, $6.72 L$ of hydrogen at NTP reacts in 15 minutes, the average current produced in amperes is

Electrochemistry

Solution:

$\frac{i\times15\times60}{96500}=\frac{6.72}{22.4}\times2 \,\,\,\,\,\Rightarrow i=64.3 A$