Question

Calculate E°_cell for the following reaction at 298 K: 

2Cr(s) + 3Fe²⁺ (0.01 M) → 2Cr³⁺(0.01 M) + 3Fe(s) 

Given: E_cell = 0.261 V

Answer 1

= 0.0261 + 0.01966

= 0.28068 V ≈ 0.281 V      

Comments

Ecell = 0.261V ,

not 0.0261