Fehler:
HCl %2B KMnO2 %3D H2O %2B Cl2 %2B KCl %2B MnCl2
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Unerwartets Zeichen ('%')HCl %2B KMnO2 %3D H2O %2B Cl2 %2B KCl %2B MnCl2
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Unerwartets Zeichen ('%')