Fehler:
CrCl3 %2B NaOH %2B Br2 %3D NaBr %2B Na2CrO4 %2B NaCl %2B H2O
^Unerwartets Zeichen ('%')CrCl3 %2B NaOH %2B Br2 %3D NaBr %2B Na2CrO4 %2B NaCl %2B H2O
^Unerwartets Zeichen ('%')