Aqueous potassium iodate (KIO3) and potassium iodide (KI) react in the presence of dilute hydrochloric acid, as shown below.
KIO3(aq) + 5KI(aq) + 6HCl(aq) → 312(aq) + 6KCl(aq) + 3H₂O(1)
What mass of iodine (1â‚‚) is formed when 50.0 mL of 0.020 M KIO3 solution reacts with an excess of KI and HCI?