38. Solution to Chemistry Problem

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• According to the data in Table 2, write the structural formula of a micelle of hydrosol A if substance B is an electrolyte stabilizer. Indicate the sign of the electric charge of the colloidal particles. Construct a diagram of the double electric layer for hydrosol A according to the Stern theory and a diagram of the electric potential drop in it. Explain what potential ensures the stability of the system and how it changes when electrolytes - coagulants are introduced into the system. Which of the electrolytes C introduced into the system is the most economical coagulant for the resulting sol?

Option Hydrosol A Electrolyte stabilizer B Electrolytes-coagulants C

9 Strontium fluoride (SrF2) Sodium fluoride (NaF) FeCl3; Cu(NO3)2 KBr

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