Balance the following equations, and then write the net ionic equation. Show states for all reactants and products (s, ℓ, g, aq).
(a) The reaction of silver nitrate and potassium iodide to give silver iodide and potassium nitrate
(b) The reaction of barium hydroxide and nitric acid to give barium nitrate and water
(c) The reaction of sodium phosphate and nickel(II) nitrate to give nickel(II) phosphate and sodium nitrate