A current of 12A is used to plate nickel...

A current of 12A is used to plate nickel from a `Ni(NO_(3))_(2)` solution. Both Ni(s) and `H_(2)(g)` are produced at the cathode. If the current efficiency with respect to the formation of `Ni(s)` is 62%, how many grams of nickel are plated on the cathode in 45minutes?

0.1

6.1

9.9

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