Question

how many moles of chromium would be electroplated by passing a current of 5.2 amperes through a solution of cr2(so4)3 for 45 minutes.​

Answer 1

QUESTION :

• how many moles of chromium would be electroplated by passing a current of 5.2 amperes through a solution of cr2(so4)3 for 45 minutes.

ANSWER :

• FIRST WE HAVE = +3

then, we will multiply 5.2 × 45 × 60 × 1/96485 × 1 × 3 we get

• 5.2 × 45 × 60 × 1/96485 × 1 × 3

• = 0.0 485

so , we get 0.0485 min or sec