812. A study of the rapid coagulation of selenium sol by adding 180 mmol/l KCl led to the following results:
t, s 0 7.0 15.0 20.2 28.0 57.0 167
v ×10–9, cm–3 32.2 24.1 19.9 16.7 14.2 10.1 4.3
Determine the coagulation rate constant that satisfies these data and compare it with what is expected from the theory of rapid coagulation at 17°C and a solvent viscosity of 1.0 cps.

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