128. Solving a chemistry problem
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Product description
Determine what volume of aqueous solutions of electrolytes was added to 10.0 ml of arsenic sulfide hydrosol, if the threshold of electrolyte coagulation, the indicated concentration was equal to:
Electrolyte NaCl BaCl2 AlCl3
C, mol/l 5.0 0.4 0.01
, mol/l 5.2 0.08 0.007
Determine the sign of the charge of the colloidal particle. Write the micelle formula of the As2S3 sol obtained by passing hydrogen sulfide through a dilute solution of As2O3 arsenic oxide.
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