In experiments testing the Boltzmann distribution, Perrin used a suspension of collodion particles of mass m = 1.25•10-13 g and density p = 1.21 g/cm3 in water (water density p0 = 1 g/cm3). The concentration of particles in the initial suspension was n0 = 1011 cm-3. After equilibrium was established, the particle height distribution was observed. Determine the concentration of particles at the bottom and top of a cuvette of depth H = 0.1 mm at a temperature T = 295 K.

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