Где выделяется H2? решить полность реакции

Au+HCL

Au+H3PO4

Au+HNO3 (Разбавлено)

Fe+HCl

Fe+H3PO4

Fe+HNO3 (концентрированныйй

Fe+HNO3 (разбавленный

Mg+HNO3

Na+HCl = Mg+HCl = Al+HCl = Mg+H3PO4= Ca+H3PO4= Zn+H2SO4= Al+H2SO4= MgO+H2SO4= Zn+HCl = Cao+HCl = Fe2O3+HCl = Fe2O3+H2SO4= Li2O+H3PO4= MgO+H3PO4= Al2O3+H2SO4= Cu+HCl = Mg+H2SO4= NaCl+HCl = Na2So4+HCl = Fe (OH) 3+HNO3= Au+H2SO4= H3PO4+H2SO4=

Na + HCl = Al + HCl = Ca + H3PO4 = MgO + H3PO4 = Zn + HCl = Mg + H2SO4 = Fe (OH) 3 + HCl = CaO + HCl = Fe2O3 + H2SO4 = MgO + H3PO4 = Cu + HCl = H3PO4 + H2SO4 NaCl + HNO3

HBr+Mg= H2SO3+Pt= HNO3+Al= H2S+Na= H2SO4+Ba= H3PO4+Fe= H2SO3+Zn= HCl+Al= H3PO4+Al= HBr+Rb= HNO3+Zn= HF+Zn= H2SO4+Cs= H2SiO3+Cu= HCl+Zn= H2S+Ba= HBr+Cs= HNO3+Cu= H2S+K= H2SO4+Pt= H2SO3+Ba= H3PO4+Na= H2SO3+Rb= H2SO4+Li= HBr+Pb= HNO3+Co= HI+Zn=

Как решить уравнения Na + HCL Mg + HCL Al + HCL Mg + H3PO4 Ca + H3PO4 Zn + H2SO4 Al + H2SO4 MgO + H2SO4 Zn + HCL CaO + HCL Fe2O3 + HCL Fe2O3 + H2SO Li2O + H4PO4 MgO + H3PO4 Al2O3 + H2SO4 Cu + HCL

Fe2O3+H2SO4= Li2O+H3PO4= MgO+H3PO4= Al2O3+H2SO4= Cu+HCl = Mg+H2SO4= NaCl+HCl = Na2So4+HCl = Fe (OH) 3+HNO3= Au+H2SO4= H3PO4+H2SO4= Na2Co3+HCl= NaCl+HNO3=