Fehler:
Cl2 %2B NaOH %2B Br2 %3D H2O %2B NaCl %2B NaBrO3
^Unerwartets Zeichen ('%')Cl2 %2B NaOH %2B Br2 %3D H2O %2B NaCl %2B NaBrO3
^Unerwartets Zeichen ('%')