N_H2_far -we.iloc_h2er1/(2*F_const) "Faradaic gas evolution rate"
N_H2O_evap N_H2_far*xH2O/(1-xH2O) "Water evaporation rate"
m_gas N_H2O_evap*MH2O+N_H2_far*MH2 "Gas phase mass flow rate"
m_liquid -m_gas "Liquid phase mass flow rate"