30. Solving a chemistry problem
36 Calculate the coagulation rate constant k and the half-coagulation period for Fe(OH)3 hydrosol coagulated with a K2SO4 solution at T = 298 K, using the following experimental data:
Coagulation time , s 0 2 6 12
Numerical concentration 1017 , 1/m-3 6.0 0.8 0.3 0.1
Determine the type of coagulation (fast or slow).
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