Fehler:
FeCl2 %2B K2Cr2O7 %2B HCl %3D CrCl3 %2B FeCl3 %2B KCl %2B H2O
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Unerwartets Zeichen ('%')FeCl2 %2B K2Cr2O7 %2B HCl %3D CrCl3 %2B FeCl3 %2B KCl %2B H2O
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Unerwartets Zeichen ('%')