Question

Помогите с кф
Fe(NO3)3+K3PO4=FePO4+KNO3
Fe(OH)3+H3PO4=FePO4+H2O
ZnSO4+BaCl=ZnCl2+BaSO4
H2SiO3+KOH=K2SO3+H2O
NaOH+SO3=Na2SO4+H2O
NaOH+H2S=Na2S+H2O
K+H3PO4=K3PO4+H2
Al+H2SO4=AlSO4+H2
CuS+HCl+=CuCl2+H2S

Answer 1

................. ......................