9.3 Calculate the number of primary particles n1 of the sol during its coagulation in the time intervals: 5, 10, 20, 30, and 60 s. The initial number of particles in 1 m3 is n0=1.93*1014 particles. The half coagulation time is 280 s. Plot a curve of changes in the number of primary particles in coordinates n=f(t).

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