If density and diffusion coefficient are assumed constant, then governing equation for mass transfer of A dissolved in solid B is

A) $$\frac{{\partial {C_A}}}{{\partial t}} = {D_{AB}}.\Delta {C_A}$$ B) $$\frac{{\partial {C_A}}}{{\partial t}} = {D_{AB}}.{\Delta _2}{C_A}$$ C) $$\frac{{\partial {C_A}}}{{\partial x}} = {D_{AB}}.{\Delta _2}{C_A}$$ D) $$\frac{{\partial {C_A}}}{{\partial x}} = {D_{AB}}.{\Delta }{C_A}$$

Answer & Solution

Correct Answer: Option B

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If density and diffusion coefficient are assumed constant then governing equation...

If density and diffusion coefficient are assumed constant, then governing equation for mass transfer of A dissolved in solid B is

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