Core Reactions: Ion-exchange Reactions
Slide 21 of 31
Solutions to Assignement of State Symbols
2 NaCH3COO(aq) +  Mg(NO3)2(aq) ® No change (no reaction), all soluble
Li2SO4 (aq) + Ba(NO3)2 (aq) ® BaSO4 (s) +  2 LiNO3 (aq) 
–Ion-exchange reaction does take place; barium sulfate is insoluble.
2 KOH (aq) + CuCl2 (aq) ® 2 KCl (aq) +  Cu(OH)2(s) 
Na3PO4 (aq) + Zn(NO3)2 (aq) ® No reaction.
Mg3(PO4)2 (aq) + Sr(NO3)2 (aq) ® Sr3(PO4)2 (s) +  Mg(NO3)2 (aq) 
ZnCl2 (aq) + Fe(NO3)2 (aq) ® No reaction.
(NH4)2CO3 (aq) +  Ca(NO3)2 (aq) ® 2 NH4NO3 (aq) + CaCO3 (s)