2. Write the micelle formula of the sol formed as a result of reaction A (see Table 4), determine the charge of the colloidal particle. Represent the structure of a double electric layer in the figure, determine the sign of the charge of the coagulating ion.

Table 4
Reactions leading to the formation of a sol
Variant Reaction A
2 FeCl3 3H2O (excess) = Fe(OH)3 (precipitate) 3HCl

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