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A piece of titanium metal was anodized for 30.0 minutes, producing 10.0 g of TiO2. What...

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Chemistry

A piece of titanium metal was anodized for 30.0 minutes,producing 10.0 g of TiO2. What current was used?

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4.2 Ratings (646 Votes)

time (t) = 30 min = 30 x 60 = 1800 sec

weight (w) = 10 g

Ti atomic weight = 47.87

Ti equivalent weight (E) = atomic weight / 4                        (TiO2 -------> Ti+4 )

                                       = 47.87 / 4

                                        = 11.96

1 Faraday = 96500 C

Faraday equation

w = E x i x t / 96500

i = w x 96500 / E x t

   = 10 x 96500 / 11.96 x 1800

    = 44.82 A                             (A= ampere)

current (i) = 44.82 A
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