300. The threshold for coagulation of iron hydroxide sol with phosphate ions is 0.37 mmol / l. What volume of 5% sodium phosphate solution (density 1.05 g/ml) is required to coagulate 750 ml of sol? Write the formula for a micelle sol. Name the components of a micelle. In what direction (towards the cathode or anode) will the granule move during electrophoresis?

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