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Faraday's Constant

Q. A current of 0.44 A is passed through a solution of a ruthenium nitrate salt, causing reduction of the metal ion to the metal. After 25.0 min, 0.345 g of Ru(s) has been deposited. What is the oxidation state of ruthenium in the nitrate salt?

Solved • Jun 17, 2019

Faraday's Constant

Q. How many amperes of electricity are needed to electrolyze Cu2+ to Cu if 1.23 moles of Cu is produced in 7.0 seconds?

Solved • Jun 16, 2019

Faraday's Constant

Q. Antimony (III) oxide is primarily used as a flame retardant in consumer products such as automobile interiors, When antimony (III) oxide undergoes electrolysis, elemental antimony and a gas are produced.

Solved • May 21, 2019

Faraday's Constant

Q. How long will it take to produce 2.68 kg of chlorine if the current is 5.00 x 10^2 A?

Solved • May 7, 2019

Faraday's Constant

Q. A particular voltaic cell operates on the reaction Zn(s) + Cl2 (g) -> Zn2+ (aq) + 2Cl- (aq) giving a cell potential of 0.863 V. Calculate the maximum electrical work generated when 25.0 g of zinc metal is consumed.

Solved • May 7, 2019

Faraday's Constant

Q. Calculate the time required to discharge all the Cr3+ ions from 500 cm3 of 0.270 M Cr2(SO4)3 by a current of 3.00 A.

Solved • May 6, 2019

Faraday's Constant

Q. Calculate the time required to discharge all the Cr3+ ions from 500 cm3of 0.270 M Cr2(SO4)3by a current of 3.00 A.

Solved • May 6, 2019