Respuesta :

Answer:

this is very easy to solve

  1. (NH4)2 Co3,(NH4)2 So4,( NH4)3 Po4
  2. k2 co3, k2 so4,k3 Po4
  3. zn oh2, zn (No3)2, zn3 (Po4)
  4. ca oh2
  5. fe oh3, fe(No3)3, fe2 (co3)3, fe2 (so4)3

this is a answer I am very sure

RELAXING NOICE
Relax