Two faraday of electric charge produces 30g of any element X(A=45) at the cathode.What is the formula of the ion of X? the answer is X with +3 charge, any explanation pls?
1 Answer
Mar 25, 2018
The mass of the positive ion of element
So the number of moles of ions deposited is
So the amount of charge associated with
Hence the amount of charge associated with 1mol ion is
By Faraday's law the amount of charge associated with 1 mole positive ion of valency
Hence
So the formula of the ion is