Question

If 0.025A was passed through a solution until 1.200g of Au from HAuCl3 had been deposited at the cathode how much of oxygen gas is to generated at the anode?

Answer 1

Answer:

ANSWER

Number of equivalent of oxygen =

8

1.6

=0.2

∴ Number of equivalent of Ag deposited =0.2

Mass of Ag deposited =0.2×108=21.6 g.