Умоляю, помогите с химией!
2HCl+CuO=CuCl2+H2O H2SO4+Mg(OH)2=MgSO4+2H2O 3HNO3+Fe(OH)3=Fe(NO3)+3H2O 2H3PO4+3K2O=2K3PO4+3H2O 2H3PO4+3Ba(OH)2=Ba3(PO4)2+6H2O Cu(OH)2+2HNO3=Cu(NO3)2+2H2O BaCl2+H2SO4=BaSO4+2HCl P2O5+3Ba(OH)2=Ba3(PO4)2+3H2O N2O5+2KOH=2KNO3+H2O