74. Solving a chemistry problem
D.10. A hydrophilic sol of iron (3) hydroxide Fe(OH)3 was obtained by mixing equal volumes of 0.002 N. sodium hydroxide NaOH solution and 0.0003 N. solution of iron (3) sulfate Fe2(SO4)3. Write a formula for a sol micelle and indicate the direction of movement of its granules in an electric field.
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