Question

(c) Br
82. Using the standard half-cell potential listed, calculate the equilibrium constant for the
reaction :
Co(s) + 2H+ (aq) + Co2+ (aq) + H2(8) at 298 K
Co2+ (aq) + 2e - →Co(s) E° = -0.277 V
(a) 2.3 x 10° (b) 4.8 x 104
(c) 4.8 x 107
(d) 4.8 x 1011​

Answer 1

(c) Br

82. Using the standard half-cell potential listed, calculate the equilibrium constant for the

reaction :

Co(s) + 2H+ (aq) + Co2+ (aq) + H2(8) at 298 K

Co2+ (aq) + 2e - →Co(s) E° = -0.277 V

(a) 2.3 x 10°

(b) 4.8 x 104✔️✔️✔️

(c) 4.8 x 107

(d) 4.8 x 1011