Fehler:
CH3COOH %2B Ba%28OH%292 %3D H2O %2B C%28H3COO%292Ba
^
Unerwartets Zeichen ('%')CH3COOH %2B Ba%28OH%292 %3D H2O %2B C%28H3COO%292Ba
^
Unerwartets Zeichen ('%')