5Na2O2 + 2KMnO4 + 8H2SO4 → 5O2 + 2MnSO4 + 5Na2SO4 + K2SO4 + 8H2O
Hydrogen peroxide react with potassium permanganate and sulfuric acid to produce oxygen, manganese(II) sulfate, sodium sulfate, potassium sulfate and water. Sulfuric acid - diluted solution.