In the study of oil aerosol by the Deryagin-Vlasenko flow ultramicroscopy method, an average of 50 particles were found in a volume of 1.33 * 10-5 cm3, which passed through the counting field of the microscope. Calculate the radius of aerosol droplets, knowing its concentration 25.0 mg/m3 and oil density 0.910 g/cm3.

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