A wet cylinder of agar gel at 278 K containing a uniform concentration of urea of 0.1 kgmol/m³ has a diameter of 30.48 mm and is 38.1 mm long with flat parallel ends. The diffusivity is 4.72x 10-10 m²/s. Calculate the concentration at the midpoint of the cylinder after 100 hours if the cylinder is suddenly immersed in turbulent pure water.

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A: Oxygen gas is most soluble in water at high pressure and low temperature       Option C is correct

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