Chyba:
Al%28NO3%293 %2B H2O %3D H2 %2B Al %2B HNO3 %2B Al%28OH%293 %2B O2
^Neočakávaný ('%')Al%28NO3%293 %2B H2O %3D H2 %2B Al %2B HNO3 %2B Al%28OH%293 %2B O2
^Neočakávaný ('%')