# Estimation of diffusion coefficient using Fick's law

Estimate the diffusion coefficient, D, of skin, given that 350 mL of water diffuses through the skin each day, that the surface of the skin is 1.73 m2, and that the skin is 20 um thick. Assume that there is pure water inside the skin.

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#### Solution Summary

An estimation of diffusion coefficient using Fick's law is achieved.

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