How many grams of copper are deposited by passing 9650 C of charge through CuSO solution? (M(Cu) = 63.5, F = 96500 C/mol)
- A
12.7 g
- B
1.59 g
- Ccheck_circle
3.18 g (n = q/(zF) = 9650/(2×96500))
- D
6.35 g
Explanation
Cu + 2e⁻ → Cu. Moles e⁻ = 9650/96500 = 0.100. Moles Cu = 0.0500. Mass = 0.0500 × 63.5 = 3.175 g.