A current of 5.00 A is run through a Ag⁺ solution for 1 hour.
What mass of Ag is deposited?
- A
40.3 g
- B
10.1 g
- Ccheck_circle
20.1 g
- D
5.04 g
Explanation
Q = 5.00·3600 = 18000 C. mol e⁻ = 18000/96485 = 0.1866. mol Ag = 0.1866. mass = 0.1866·108 = 20.15 g.