7.8(a&b) Simultaneous Multicomponent Diffusion of Gases  |POLVER05_0 |1
d(CA)/d(z) = (xA * NB - xB * NA) / DAB + (xA * NC - xC * NA) / DAC # Concentration of A (g-mol/L)
d(CB)/d(z) = (xB * NA - xA * NB) / DAB + (xB * NC - xC * NB) / DBC # Concentration of B (g-mol/L)
d(CC)/d(z) = (xC * NA - xA * NC) / DAC + (xC * NB - xB * NC) / DBC # Concentration of C (g-mol/L)
NB = -0.0003363 # Molal flux of component B (kg-mol/m^2*s)
NA = 2.396e-5 # Molal flux of component A (kg-mol/m^2*s)
DAB = 1.47e-4  # Diffusivity of A through B (m^2/s)
NC = 0  # Molal flux of stagnant component C (kg-mol/m^2*s)
DAC = 1.075e-4# Diffusivity of A through C (m^2/s)
DBC = 1.245e-4 # Diffusivity of B through C (m^2/s)
CT = 0.2 / (82.057e-3 * 328) # Gas concentration g-mol/L
errA = CA - 0 # Error in the calcaulated value of CA at the initial estimate (z = 0.001 m)
errB = CB - 2.701e-3 # Error in the calcaulated value of CB at the initial estimate (z = 0.001 m)
xA = CA / CT # Mole fraction of A
xB = CB / CT # Mole fraction of B
xC = CC / CT # Mole fraction of C
z(0) = 0 # Length coordinate at point 1
CB(0) = 0 # Concentration of B at point 1
CA(0) = 0.0002229 # Concentration of A at point 1
CC(0) = 0.007208 # Concentration of C at point 1
z(f) = 0.001 # Length coordinate at point 2