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86. Solving a chemistry problem
Content: 414.rar 78,81 kB
Product description
414. The following table shows the results of equilibrium centrifugation of the mouse-Elberfield protein virus in an aqueous medium at 25°C (density 0.997 g/cm3) and a speed of 12590 min-1. Determine the mass of this virus and the radius, assuming its specific volume is 0.725 cm3/g and the spherical shape of the virus particles. If two different linear sections are found during the analysis of the graph, determine the mass and radius of the virus in each fraction separately.
With. g/l 2.29 2.51 2.79 3.09 3.51 3.891 4.47 5.01 5.89 6.61 7.41 8.51
x*, cm 6.55 6.58 6.6 665 6.67 6.69 6.71 6.74 6 76 679 6.81 6.84
x* - distance from the axis of rotation
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