Fehler:
Cl2 %2B KOH %2B Bi2O3 %3D H2O %2B KCl %2B Bi2O5
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Unerwartets Zeichen ('%')Cl2 %2B KOH %2B Bi2O3 %3D H2O %2B KCl %2B Bi2O5
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Unerwartets Zeichen ('%')