64. Solving a chemistry problem
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7. When determining the molecular weight of Congo red by Pedersen, it was found that at distances from the axis of rotation of the ultracentrifuge of 5.84 and 5.81 cm, the concentrations of the dispersed phase were equal to 50.46 and 47.57%, respectively. The number of revolutions of the rotor is equal to the centrifuge 300 rpm. The density of the dispersed phase at 298 K is 1.67 g/cm3, and that of the dispersion medium is 1.002 g/cm3. What is the result of Pedersen´s experiment?
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- Content description 14,06 kB
- Updated on the site 26.12.2022
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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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