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1. Hydrochloric acid + sodium oxalate 2. iron (III) perchlorate + aqueous ammoni

ID: 599205 • Letter: 1

Question

1. Hydrochloric acid + sodium oxalate
2. iron (III) perchlorate + aqueous ammonia
3. calcium chloride + ammonium carbonate
4. iron (II) iodide + sodium sulfide
5. mercury (II) chloride+ hydrofluoric acid
6. ammonium sulfate + silver (I) nitrate
7. zinc sulfide + hydrobromic acid
8. chromium (III) hyroxide + nitrous acid

I'm having trouble with these, and I was wondering if anyone could help me out?
I'd greatly appreciate it

Explanation / Answer

a. 2 HCL + Na2C2O4-----> H2C2O4 + 2NaCL b. Fe(ClO4)3 + 3 NH4OH ----> Fe(OH)3 + (NH4)3(ClO4)3 c.CaCl2 (aq) + (NH4)2CO3 (aq) -------> CaCO3 (s) + 2NH4Cl (aq) d. FeI2 (aq) + 2NaS (aq) ----> FeS2 (s) + 2NaI (aq) e. HgCl2 (s) + 2HF (aq) -----> HgF2 (s) + 2HCl (aq) f. (NH4)2SO4 (aq) + 2AgNO3 (aq) ----> Ag2SO4 (s) + 2NH4NO3 (aq) g ZnS (s) + 2HBr (aq) -----> ZnBr2 (aq) + H2S (aq) h Cr(OH)3 (s) + 3HNO2 (aq) ------> Cr(NO2)3 (aq) + 3H2O (l)