Calculate the surface tension of the butyric acid solution using the Rehbinder method, if the pressure of the bubble when it jumps into water is 11.3×102 N/m2, and into the acid solution is 10.1×102 N/m2. The surface tension of water is 72.75×10-3 N/m.

If you do not open the file - install the RAR archiver. Inside the archive you will find a solution in Word format.