Error:
CrCl3 %2B NaOH %2B Cl2 %3D Na2CrO4 %2B NaCl %2B H2O
^
Unexpected character ('%')CrCl3 %2B NaOH %2B Cl2 %3D Na2CrO4 %2B NaCl %2B H2O
^
Unexpected character ('%')