13. The table below shows data on the adsorption of lactic acid from aqueous solutions on a carbon adsorbent. Using the Langmuir equation, determine the capacitance of the monomolecular layer.

s, mmol/l 0.10 0.21 0.33 0.45 0.55 0.68
A, mmol/g 0.09 0.21 0.26 0.27 0.28 0.28

If the file does not open for you, install the Rar archiver program. Inside the archive, the solution is in WORD format.