2806.sagews

R = 8.314
T = 293.15
epsilon = 8.85e-12
epsilon_r = 70
F = 96485 
c0 = 0.15


(6*R*T*epsilon/(4*(F**2)*c0))**0.5

4.81350905922286e-9

(6*R*T*epsilon*epsilon_r/(4*(F**2)*c0))**0.5

4.02727061721141e-8