How long a current of 3 amperes has to be passed through a solution of – McqOptions

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1.	How long a current of 3 amperes has to be passed through a solution of \[AgN{{O}_{3}}\] to coat a metal surface of \[80c{{m}^{2}}\] and 0.005 mm thick layer. Density of Ag is \[10.5\text{ }g\,c{{m}^{-3}}\]
A.	125.1 seconds
B.	12.5 seconds
C.	155.2 seconds
D.	200 seconds
Answer» B. 12.5 seconds

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