11. Calculate the contact angle of wetting of the surface of a solid by a liquid, the values ​​of surface tension of which and their dispersion components are given in Table 2.8
11 Solid substance – Fabric modified with a fluorine-containing compound
бс mJ/m2 7

бсd mJ/m2 7

Option 4 - Methyl iodide
б mJ/m2 50.8

бd mJ/m2 44.1

Option 15 - n-dodecane
б mJ/m2 25.3
бd mJ/m2 25.3

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