2. Which electrolytes are strong and which are weak according to their degree of dissociation? Select which of the substances given in your variant are strong and which are weak electrolytes? Give the name of each electrolyte and write its dissociation. For weak polybasic acids and weak polyacidic bases, write the stepwise dissociation and expressions for the dissociation constant KD for each step. HCl, H2SO3, Mg(OH)2, NaOH, K2HPO4, Na2SO4.

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