H3PO4=MG3(PO4)2=MGSO4=MGCL2=MG

Question

H3PO4=MG3(PO4)2=MGSO4=MGCL2=MG

Answer 1

MgSO4+BaCl>BaSO4ниже +MgCl2
Mg2++SO42-+Ba2++2Cl-=BaSo4+Mg2++2Cl-


SO42- +Ba2+ +2Cl-=BaSO4+2Cl-