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In H2 -O2 fuel cell, 6.72 L of hydrogen...

In ` H_2 -O_2` fuel cell, `6.72 L` of hydrogen at `NTP` reacts in `15` minutes, the averge current produced in ampres is .

A

64.3 amp

B

643.3 amp

C

6.43 amp

D

0.643 amp

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The correct Answer is:
A
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