A metal plate weighting 750g is to be electroplated wiwth 0.05% of its weight of silver. If a current of 0.8A is used. Find the time needed for depositing the required weight of silver. `"E.C.E. of silver is" 11.18xx10^(-7)kgC^(-1)`.

A curent of 0.5 A when passed through AgNO_(3) solution for 193 s deposited 0.108 h Ag. The equivalent weight of silver is

A metal plate with a total surface are of 300cm^(2) is to be benickel plate. If a current of 1.5A is used for 3 hours, find the thickness of nickel deposited. (Density of nickel =8800 kgm^(-3), "E.C.E. of a nickel" 30.4xx10^(_8) kg C^(-1) .

An electric current of 0.4 A is passed through a silver voltameter for half an hour . Find the amount of silver deposited on the cathode. ECE of silver = 1.2 xx 10^(-3) g C^(-1) .

An electric current of 0.4 A is passed through a silver voltameter fro half an hour.Find the amount of silver deposited on the cathode. ECE of silver = 1.12 xx 10^(-4) kg C^(-1)

A steady current is passed for 25minutes through a silver voltameter and ammeter in series and 0.059g of silver of deposited. The ammeter reads 0.3A. Find the errror, if any, in the ammeter reading, given that the E.C.E. of silver =11.18xx10^(-7) kg C^(-1) .

An electroplating unit plates 3.0 g of silver on a brass plate in 3.0 minutes. Find the current used by the unit. The electrochemical equivalent of silver is 1.12 xx 10^(-6) kg C^(-1) .

A brass plate having surface area 200 cm^2 on one side is electroplated with 0.10 mm thick silver layers on both sides using a 15 A current. Find the time taken to do the job. The specific gravity of silver is 10.5 and its atomic weight is 107.9 g mol^(-1)

A silver and a copper voltameter are connected in series with a 12.0 V battery of negligible resistance. It is found that 0.806g of silver is deposited in half an hour.Find (a) the mass of the copper deposited and (b) the energy supplied by the battery. ECE of silver = 1.12 xx 10^(-6) kg C^(-1) and that of copper = 6.6 xx 10^(-7) kg C^(-1)

A silver and a copper voltameter are connected in series with a 12.0 V battery of negligible internal resistance . 0.806 g of silver is deposited in half an hour in the silver voltameter. Calculate (i) magnitude of current flowing in the cicuit (ii) mass of copper deposited in the copper voltameter during the same period. Given that ECE of silver 1.12xx10^(-8) kg C^(-1)

8.0.607 g of the silver salt of a tribasic acid on combustion deposited 0-37 g of pure silver. Calculate the molecular weight of the acid.