Apparatus Chemicals Required
A. Manganous sulfate solution for 1000 mLDissolve one of the following in 1000 mL of distilled water480 g MnSO4.4H2O or-400 g MnSO4.2H2O or-364 g MnSO4.H2OB. Alkali-iodide (add azide if necessary) for 1000 mLDissolve in 1000 mL of distilled water500 g NaOH or- -AND- 135 g NaI or-700 g KOH ...