Bilayer lipid membrane (BLM) layer of thickness 10 nm separates the chamber into two parts. The flux density of methylene blue through the BLM is constant and equal to 3 x 10 -4 M * cm / s, with its concentration on one side of the membrane is equal to 10 ^ -2 M, and the other 2 x 10 -3 M. What is the ratio diffusion of the substance through the BLM?

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