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43 solutions

Faraday's Constant

Q. 7. A constant electric current deposits 0.536 g of silver metal in 12960 seconds from a solution of silver nitrate. What is the current? What is the half reaction for the deposition of silver?

Solved • Oct 3, 2019

Faraday's Constant

Q. 6. A current of 4.27A is passed through an electrolytic cell containing molten CaCl2 for 4 hours, what are the products produced at the anode and cathode? How much product (in moles and grams) will be produced at the anode and cathode?

Solved • Oct 3, 2019

Faraday's Constant

Q. 4. Determine the oxidation number of the chromium atoms in a chromium salt if electroly a molten sample of this salt for 2.50 hours with a 7 ampere current deposits 9.71 grams of chromium metal at the cathode.

Solved • Oct 3, 2019

Faraday's Constant

Q. 3. Calculate the volume of H2 gas at 25 degrees C and 1 atm that will collect at the cathode when an aqueous solution of Na2SO4 is electrolyzed for 3 hours with a 10.0 ampere current?

Solved • Oct 3, 2019

Faraday's Constant

Q. 2. How many Faradays are required to reduce 7.00 g of aluminum(III) to aluminum metal?

Solved • Oct 3, 2019

Faraday's Constant

Q. A constant current is passed through an electrolytic cell containing molten MgCl2 for 15.0 h. If 4.00 × 10 ^5 g of Cl2 are obtained, what is the current in amperes? Can you please walk me through this question step by step? I'd really appreciate that!

Solved • Nov 16, 2019

Faraday's Constant

Q. 1. Assume that 0.92 mol of H2(g) is consumed as the cell operates for 300 seconds. Calculate the number of moles of electrons that pass through the cell, and the average current (in amperes) that passes through the cell.

Solved • Oct 3, 2019