Write the balanced complete ionic equations and net ionic equations for the reac
ID: 866604 • Letter: W
Question
Write the balanced complete ionic equations and net ionic equations for the reactions that occur when each of the following solutions are mixed. (Type your answers using the format [NH4]+ for NH4+ or Ca3(PO4)2 for Ca3(PO4)2. Use the lowest possible coefficients.)
(a) Cr2(SO4)3(aq) and (NH4)2CO3(aq)
complete ionic equation:
(aq) + CO32-(aq) + Cr3+(aq) + SO42-(aq) (s) + NH4+(aq) + (aq)
net ionic equation:
Cr3+(aq) + (aq) (s)
(b) FeCl3(aq) and Ag2SO4(aq)
complete ionic equation:
(aq) + Cl-(aq) + Ag+(aq) + SO42-(aq) (s) + Fe3+(aq) + (aq)
net ionic equation:
Ag+(aq) + (aq) (s)
(c) Al2(SO4)3(aq) and K3PO4(aq)
complete ionic equation:
(aq) + PO43-(aq) + Al3+(aq) + SO42-(aq) (s) + K+(aq) + (aq)
net ionic equation:
Al3+(aq) + (aq) (s)
Explanation / Answer
(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) + 3(SO4)2-(aq)
Net ionic equation:
2Al3+(aq) + 2(PO4)3-(aq) -------> 2 AlPO4(s)
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