Fehler:
Fe %2B KMnO4 %2B HCl %3D MnCl2 %2B FeCl2 %2B KCl %2B H2O
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Unerwartets Zeichen ('%')Fe %2B KMnO4 %2B HCl %3D MnCl2 %2B FeCl2 %2B KCl %2B H2O
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Unerwartets Zeichen ('%')