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30 solutions

Electrolysis of Water & Mixture of Ions

Q. What mass of chromium could be deposited by electrolysis of an aqueous solution of Cr2(SO4)3 for 190 minutes using a constant current of 15.0 amperes?

Solved • Dec 4, 2019

Electrolysis of Water & Mixture of Ions

Q. What mass of Cr(s) may be deposited from an aqueous CrCl2 solution if a current of 2.50 A is applied to the solution for 365 s? (E°red, Cr2+/Cr = -0.913 V), F=96485 C/mol.

Solved • Dec 4, 2019

Electrolysis of Water & Mixture of Ions

Q. How many grams of cesium (Cs) may be formed by the passage of 8,512 C through an electrolytic cell that contains a molten cesium salt.

Solved • Nov 6, 2019

Electrolysis of Water & Mixture of Ions

Q. How many amps are required to produce 64.8 g of aluminum metal from a sample of molten aluminum fluoride in 4.68 hours?

Solved • Nov 6, 2019

Electrolysis of Water & Mixture of Ions

Q. How many grams of nickel may be formed by the passage of 5,025 C through an electrolytic cell that contains an aqueous Ni(II) salt.

Solved • Nov 6, 2019

Electrolysis of Water & Mixture of Ions

Q. What product(s) forms at the cathode in the electrolysis of an aqueous solution of KCl? a) Cl2 b) H2 and OH^- c) O2 and H^+ d) K

Solved • Nov 6, 2019

Electrolysis of Water & Mixture of Ions

Q. Iron metal can be prepared by electrolysis of its aqueous salts a) True b) False

Solved • Nov 6, 2019