Chemical XYZ is comprised of 0.020 mol of iron(II) sulfate. It requires 22.5 mL of potassium manganate(VII) for a complete reaction. The equation for the reaction is: 5Fe2+ + MnO4- + 8H+ → Mn2+ + 4H2O + 5Fe3+. Identify KMnO4 solution's molarity.

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