Write net ionic equations for the reaction, if any, that occurs when aqueous solutions of the following are mixed. ammonium sulfate and barium nitrate Answer ‍ ‍ ‍ ; lead(II) nitrate and sodium chloride Answer ‍ ‍ ‍ ‍ ; sodium phosphate and potassium nitrate Answer no reaction; sodium bromide and rubidium chloride Answer no reaction; copper(II) chloride and sodium hydroxide Answer ‍ ‍ ‍ ‍ ‍