Which statement(s) below is( are) correct. Select all that apply. A. The number of moles of solute remains constant during before and after a solution is diluted. B. Aqueous solution is a solution in which acid is the solvent C. Lead hydroxide, Pb(OH)2 is a strong electrolyte D. Dissolution and dissociation can only occur together. E. The mass of an electron is very small in comparison to that of a proton or a neutron.

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