0731. Solving a chemistry problem
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2. Determine at what concentration of iso-valeric acid the surface tension of its aqueous solution at 25 C will be equal to 60 mN/m, if the dependence of surface tension on concentration is expressed by the Shishkovsky equation with constants B = 16.7 * 10-3 J/m, A =21.5 l/mol. Calculate the area occupied by one acid molecule in a close-packed surfactant monolayer at the solution/air interface. The surface tension of water at this temperature is 71.96 mN/m.
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- Content type File
- Content description 28,89 kB
- Updated on the site 18.11.2023
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If you do not open the file - install the RAR archiver. Inside the archive you will find a solution in Word format.
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0731. Solving a chemistry problem
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