56. Solving a chemistry problem
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56. Solving a chemistry problem
3. Gold sol is obtained by reduction of gold acid with tannin according to the reaction: 2HAuO2 C76H52O49=2Au C76H52O46 H2O. What is the sign of the charge of a colloidal particle and the formula of a micelle if the particles move towards the anode during electrophoresis?
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