help with steps .6.8.14.16

Questions 5 through 12: Write the major species in the water solution of each substance given. All ionic compounds given are soluble. 5. (NH4)2SO4,MnCl2 6. Mg(NO3)2,FeCl3 7. NiSO4,K3PO4 8. HCN,NaNO3,HClO4 9. HNO3,HBr 10. HCl,HCHO2,KI 11. H2C4H4O4, HF 12. NaClO4,HI,HC2H3O2 Section 9-4: Net Ionic Equations: What They Are and How to Write Them Questions 13 through 18: For each reaction described, write the net ionic equation. 13. A zinc chloride solution is mixed with a sodium phosphate solution, forming a precipitate of solid zinc phosphate and a sodium chloride solution. 14. When aqueous solutions of nickel(II) chloride and ammonium phosphate are combined, solid nickel(II) phosphate and a solution of ammonium chloride are formed. 15. Solid iron metal is dropped into a solution of hydrochloric acid. Hydrogen gas bubbles out, leaving a solution of iron(III) chloride. 16. When solid nickel metal is put into an aqueous solution of copper(II) sulfate, solid copper metal and a solution of nickel(II) sulfate result