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Current passes through a solution of sodium chloride. In 1.00 second, 2.68

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Physics

Current passes through a solution of sodium chloride. In 1.00second, 2.68

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4.3 Ratings (704 Votes)

Time t = 1 s

Number of Na + ions arrive at the negative electrode N = 2.68 x 10 16

Charge of N ions q = N x 1.6 x 10 -19 C

                              = 4.288 x 10 -3 C

Number of Cl - ions arrive at the positive electrode N ' = 3.92 x 10 16

Charge of N' ions q ' = N ' x (-1.6 x 10 -19 C )

                                 = -6.272x10 -3 C

Current in ionic solution i = ( q/t ) +(q'/t)

                                       = 10.56 x 10 -3 A

                                       = 10.56 mA

Direction negative to positive electrode
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