CrCl3+3NaOH=Cr(OH)3+3NaCl
Cr(OH)3+2HNO3=CrOH(NO3)2+2H2O
CrOH(NO3)2+H2O=Cr(OH)2NO3+HNO3
Cr(OH)2NO3+3HCl=CrCl3+HNO3+2H2O
CrCl3+3NaOH=Cr(OH)3+3NaCl
Cr(OH)3+2HNO3=CrOH(NO3)2+2H2O
CrOH(NO3)2+H2O=Cr(OH)2NO3+HNO3
Cr(OH)2NO3+3HCl=CrCl3+HNO3+2H2O