Fehler:
KMnO4 %2B KI %2B H2O %3D MnO2 %2B I2 %2B KOH
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Unerwartets Zeichen ('%')KMnO4 %2B KI %2B H2O %3D MnO2 %2B I2 %2B KOH
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Unerwartets Zeichen ('%')