Barium chloride reacts with sodium sulphate to produce barium sulphate and sodium chloride. Which of the following chemical equations represents a completed balanced chemical equation for the given process ? A) BaCI2(aq) + Na2SO4 (aq) - Baso4 (s) + 2NaCl (aq) B) BaCl2 (aq) + Na2SO4 (aq)- 2BaSO4(s) + 2 NaCl (aq) C) 2BaCl2(aq) + Na2SO4 (aq)- 2BaSO4(s) + NaCl (aq) D) 2BaCl2 (aq) + Na2SO4 (aq) - BaSO4 (s) + NaCl (aq)