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24 solutions

Faraday's Constant

Q. For what length of time must a 20.0 A current flow to deposit 4.01 g of Ca from molten CaCl2? F = 96500 C/mol

Solved • Aug 12, 2019

Faraday's Constant

Q. Calculate the number of grams of aluminum produced in 1.00 hour by the electrolysis of molten AlCl3 if the electrical current is 10.0 A.

Solved • Aug 8, 2019

Faraday's Constant

Q. What time would be required in order to plate 200 grams of Cu can be produced from 1.0 L of 0.50 M Cu (NO3)2 using a current of 3.5A?

Solved • Aug 1, 2019

Faraday's Constant

Q. How many amperes of electricity are needed to electrolyze Ti2+ to Ti if 1.15 moles of Ti is produced in .7 .2. seconds?

Solved • Jul 19, 2019

Faraday's Constant

Q. When molten zinc chloride (ZnCl2) is electrolyzed, zinc is deposited at the cathode. Calculate the amount of zinc produced if a current of 11.9 A is passed through the electrolytic cell for 46.2 min.

Solved • Jul 19, 2019

Faraday's Constant

Q. In an electrolytic cell, the electrolysis of an aqueous zinc solution results in the deposition of zinc at the cathode. If a current of 119.1 A is used, how much time will be needed to plate out 0.310 mol Zn(s)?

Solved • Jul 19, 2019

Faraday's Constant

Q. Be sure to answer all parts. Calcium is obtained industrially by electrolysis of molten CaCI2 and is used in aluminum alloys. How many coulombs are needed to produce 25.7g of Ca metal? If a cell runs at 15 A.. how many minutes will It take to produce 25.- g of Ca(s)?

Solved • Jul 9, 2019