Silver Solution..........?

Question

It took 2.45 min using a current of 1.75 A to plate out all the silver from 0.214 L of a solution containing Ag+. What was the original concentration of Ag+ in the solution?

Answer 1

2.45 min = 147 s

1.75 x 147 = 257 Coulombs

Faradays = 257 / 96500 =0.00266

= 0.00266 moles Ag+

[Ag+] = 0.00266 / 0.214 =0.0124 M