A solution of hydrogen peroxide, H₂O₂, is titrated with potassium permanganate, KMnO₄, according to the following equation: 5 H₂O₂ + 2 KMnO₄ + 3 H₂SO₄ -> 5 O₂ + 2 MnSO₄ + 8 H₂O + K₂SO₄. It requires 46.9 mL of 0.145 mol/L KMnO₄ to titrate 50.0 mL of the solution of H₂O₂. What is the moles per litre concentration of H₂O₂ in the solution?
a) 0.0894 mol/L
b) 0.195 mol/L
c) 0.234 mol/L
d) 0.362 mol/L