A popular buffer solution consists of carbonate (CO32–) and hydrogen carbonate (HCO3–) conjugate acid-base pair. Which, if any, of the following such buffers can neutralize the greatest amount of added hydrochloric acid, while remaining within its buffer range? A) 1 L of 0.9 M CO32– and 0.1 M HCO3– B) 1 L of 0.1 M CO32– and 0.9 M HCO3– C) 1 L of 0.5 M CO32– and 0.5 M HCO3– D) 1 L of 0.1 M CO32– and 0.1 M HCO3–