an electrolytic cell plates platinum from a platinum (IV) sulfate solution. Calculate the current needed to electroplate 40.0g of platinum in 3.00 hours

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The unit cell of platinum has alength of 392.0pm along each side. Use this length and your answerfrom part a (14 particles in unit cell, coordination #=12, 4 uniqueparticles per unit cell) to calculate the density of platinum metalin kg/m³ (Hint: you will need the atomic mass ofplatinum and Avogadro's number). Show all your work.

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Electrolysis is carried out on a solution of silver nitrate for2.00 h. The platinum cathode, which has a mass of 25.0782 g, weighs25.2794 g after the electrolysis. The platinum anode weighs thesame before and after the electrolysis.

a) draw diagram of electrolytic cell. include charges andhalf-reactions occuring at each electrode, and show the directionelectrons are flowing.

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c) What minimum voltage must have been used in thiselectrolysis? Assume standard conditions.

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Please show work. Answers are: (b) 0.0250 A (c) 0.43 V (d) 11.5ml of O2

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an electrolytic cell plates platinum from a platinum (IV) sulfate solution. Calculate the current needed to electroplate 40.0g of platinum in 3.00 hours

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