Calculate the diffusion overpotential for hydrogen formation, 2H+(aq) + 2e- = H2(g) at current

density of 0.25 A/cm2 and temperature of 25 °C, if the limiting current is 1 A/cm2

A) -7.40 mV

B) -0.31 mV

C) -3.70 mV

Points Earned:

Correct Answer(s): C

4.0/4.0