The value of $$\frac{{{{\text{N}}_{\text{A}}}}}{{{{\text{N}}_{\text{A}}} + {{\text{N}}_{\text{B}}}}},$$ for steady state molecular diffusion of gas 'A' through non-diffusing gas 'B' is
A. 1
B. $$\infty $$
C. 0.5
D. 2
Answer: Option A
This Question Belongs to Chemical Engineering >> Mass Transfer
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