Chyba:
Cr%28OH%293 %2B KOH %2B Br2 %3D KBr %2B K2CrO4 %2B H2O
^Neočakávaný ('%')Cr%28OH%293 %2B KOH %2B Br2 %3D KBr %2B K2CrO4 %2B H2O
^Neočakávaný ('%')