Seudónimo Seudónimo 24-09-2020 Chemistry contestada In the reaction BaCl2 (aq) + Na2SO4 (aq) → BaSO4 (s) + 2NaCl (aq), what phases are the reactants in before the reaction? Question 4 options: A) BaCl2 is a liquid, and Na2SO4 is a gas. B) BaCl2 is a solid, and Na2SO4 is in aqueous solution. C) Both reactants are gases. D) Both reactants are in aqueous solution.