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A current of 5.61 A is pass through a Ni(NO3)2 solution. How long (in hours) would this current have to be applied to plate out...Asked by Brianna
A current of 3.94 A is pass through a Pb(NO3)2 solution. How long (in hours) would this current have to be applied to plate out 5.40 g of lead?
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Answered by
DrBob222
3.94 x seconds = coulombs
You want to know seconds (and convert to hours).
96,485 coulombs will plate out 207.2/2 = 103.6g Pb.
So how many coulombs do you need? That's 96,485 x 5.40/193.6 = ?
Substitute that ? into coulombs above, solve for seconds and convert to hours.
You want to know seconds (and convert to hours).
96,485 coulombs will plate out 207.2/2 = 103.6g Pb.
So how many coulombs do you need? That's 96,485 x 5.40/193.6 = ?
Substitute that ? into coulombs above, solve for seconds and convert to hours.
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