Error:
H2SO4 %2B Fe%28OH%292 %2B KClO %3D H2O %2B KCl %2B Fe2%28SO4%293
^
Unexpected character ('%')H2SO4 %2B Fe%28OH%292 %2B KClO %3D H2O %2B KCl %2B Fe2%28SO4%293
^
Unexpected character ('%')