(a) Cr2(SO4)3(aq) and (NH4)2CO3(aq)
Balanced equation:
Cr2(SO4)3 + 3
(NH4)2CO3 -------------> 3
(NH4)2SO4 +
Cr2(CO3)3
Complete ionic equation:
2(Cr)2+(aq) + 3(SO4)2-(aq) + 6(NH4)+(aq) + 3(CO3)2-(aq)
-------------->Cr2(CO3)3(s) + 6(NH4)+(aq)+ 3(SO4)2-(aq)
Net ionic equation:
2(Cr)2+(aq) + 3(CO3)2-(aq) -------------->Cr2(CO3)3(s)
---------------------------
(b)
FeCl3(aq) and Ag2SO4(aq)
Balanced chemical reaction:
2 FeCl3 + 3 Ag2SO4 = 6 AgCl +
Fe2(SO4)3
Complete ionic equation:
2Fe+3 + 6Cl-(aq) + 6Ag+(aq) + 3SO42-(aq) ----------->
6AgCl(s) + 2Fe+3 + 3SO42-(aq)
Net ionic equation:
6Cl-(aq) + 6Ag+(aq) -----------> 6AgCl(s)
----------------------------
(c)
Al2(SO4)3(aq) and K3PO4(aq)
Balanced equation:
Al2(SO4)3(aq) + 2
K3PO4 ----------> 2 AlPO4 + 3
K2SO4
Complete ionic equation:
2Al3+(aq) + 3(SO4)2-(aq) + 6K+(aq) + 2(PO4)3-(aq) -------> 2
AlPO4(s) + 6K+(aq) + Â Â 3(SO4)2-(aq)
Net ionic equation:
2Al3+(aq) + 2(PO4)3-(aq) -------> 2 AlPO4(s)
