How long must a current of 4.00 A be applied to a solution of `Cu^(2+)(aq)` to produce 2.0 grams of copper metal?

How long a current of 3 ampere has to be applied through a solution of silver nitrate to coat a metal surface with 0.42 g silver?

How many grams of copper would be deposited, if 3.00 A of current is passed through a solution of CuSO_(4) for 4h? (At. wt. of Cu = 63.54)

How many faradays are needed to reduce 2 gram-mole of Cu^(2+) to Cu metal ?

How long will a current of 1 ampere take for complete deposition of copper from 1 litre of 1NCuSO_(4).5H_(2)O solution ?

What is the hydronium ion concentration of a 0.02 M solution of Cu^(2+) solution of copper(II) perchlorate? The acidity constant of the following reaction is 5xx10^(-9) . Cu^(2+)(aq.)+2H_(2)O(l)hArrCu(OH)^(+)(aq.)+H_(3)O^(+)(aq.)

What is the hydronium ion concentration of a 0.02 M solution of Cu^(2+) solution of copper(II) perchlorate? The acidity constant of the following reaction is 5xx10^(-9) . Cu^(2+)(aq.)+2H_(2)O(l)hArrCu(OH)^(+)(aq.)+H_(3)O^(+)(aq.)