Chyba:
Cr2%28SO4%293 %2B Ba%28NO3%292 %3D BaSO4 %2B Cr%28NO3%293
^
Nalezen neočekávaný znak ('%')Cr2%28SO4%293 %2B Ba%28NO3%292 %3D BaSO4 %2B Cr%28NO3%293
^
Nalezen neočekávaný znak ('%')