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Conclusion:
a. Formula of Precipitates
CoCl2 |
CuCl2 |
AlCl3 |
BaCl2 |
NiCl2 |
|
NaI |
CuI2 |
||||
Na2CO3 |
CoCO3 |
CuCO3 |
AlCO3 |
BaCO3 |
NiCO3 |
Na3PO4 |
Co3(PO4)2 |
Cu3(PO4)2 |
AlPO4 |
Ba3(PO4)2 | Ni3(PO4)2 |
Na2SO4 |
BaSO4 |
||||
NaOH |
Co(OH)2 |
Cu(OH)2 |
Al(OH)3 |
Ba(OH)2 |
Ni(OH)2 |
b. Molecular Formulas
CuCl2(aq)+2NaI(aq)->2CuI2(s)+I2(aq)+2NaCl(aq)
CoCl2(aq)+Na2CO3(aq)->CoCO3(s)+2NaCl(aq)
CuCl2(aq)+Na2CO3(aq)->CuCO3(s)+2NaCl(aq)
2AlCl3(aq)+3Na2CO3(aq)->Al2(CO3)3(s)+6NaCl(aq)
BaCl2(aq)+Na2CO3(aq)->BaCO3(s)+2NaCl(aq)
NiCl2(aq)+Na2CO3(aq)->NiCO3(s)+2NaCl(aq)
3CoCl2(aq)+2Na3PO4(aq)->Co3(PO4)2(s)+6NaCl(aq)
3CuCl2(aq)+2Na3PO4(aq)->Cu3(PO4)2(s)+6NaCl(aq)
AlCl3(aq)+Na3PO4(aq)->AlPO4(s)+3NaCl(aq)
3BaCl2(aq)+2Na3PO4(aq)->Ba3(PO4)2(s)+6NaCl(aq)
3NiCl2(aq)+2Na3PO4(aq)->Ni3(PO4)2(s)+6NaCl(aq)
BaCl2(aq)+Na2SO4(aq)->BaSO4(s)+2NaCl(aq)
CoCl2(aq)+2NaOH(aq)->Co(OH)2(s)+2NaCl(aq)
CuCl2(aq)+2NaOH(aq)->Cu(OH)2(s)+2NaCl(aq)
AlCl3(aq)+3NaOH(aq)->Al(OH)3(s)+3NaCl(aq)
BaCl2(aq)+2NaOH(aq)->Ba(OH)2(s)+2NaCl(aq)
NiCl2(aq)+2NaOH(aq)->Ni(OH)2(s)+2NaCl(aq)