The concentration profile of algae across a large body of water measured as a function of distance, x, is given as: With C(x) in units of kg/m3. If the flux is given as 1.27 × 10 −9 kg/(m 2 s) at a...

The concentration profile of algae across a large body of water measured as a function of distance, x, is given as:

With C(x) in units of kg/m3. If the flux is given as 1.27 × 10⁻⁹
kg/(m²s) at a distance of x = 10, and the system obeys Fick’s law, find the diffusivity of the algae.