Fehler:
Cl2 %2B NaOH %2B MnCl2 %3D H2O %2B NaCl %2B MnO2
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Unerwartets Zeichen ('%')Cl2 %2B NaOH %2B MnCl2 %3D H2O %2B NaCl %2B MnO2
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Unerwartets Zeichen ('%')