Salt is removed from the top of 2 m deep pond to ensure salt concentration at top as zero. Salt concentration at bottom is 5 kg mol/m3. Find the rate of molar diffusion of salt per unit area if DAB=...

Salt is removed from the top of 2 m deep pond to ensure salt concentration at top as zero. Salt concentration at bottom is 5 kg mol/m3. Find the rate of molar diffusion of salt per unit area if DAB= 1.5 x m2/s. Total concentration of salt is 50 kg mol/m3