124. Solving a chemistry problem
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Tasks 81-90. The sol of substance C is obtained by mixing dilute solutions A and B in various non-stoichiometric proportions. In electrophoresis, sol particles move towards a specific electrode.
- Determine which of the components was present in excess.
- Write the chemical reactions of sol formation.
- Give the formula of micelles of the sol.
Why is it necessary to use dilute solutions in a non-stoichiometric proportion of components to obtain a sol by chemical condensation?
option A B C Direction of motion of sol particles
89 NaF SrCl2 SrF2 to cathode
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