Answer to Question #222964 in General Chemistry for yarris

Question

If n A of current pass for 2 minutes at the cathode where a group I ion X+ dissociates 0.4moles of A reacts with dil H2SO4 and (n2/2)g of a salt (B) is produced. What quantity of charge was deposited at the cathode (RMM of B=2n)?

A. 2 √(0.2)C

B.2/5C

C. 0.6C

D. 3/8C

E. 9/ √(0.3)C

Answer 1

A. 2 √(0.2)C