These are NET IONIC EQUATIONS. 3Co2+ + 2PO43- ===> Co3(PO4)2 (s) 3Cu2+ + 2PO43-

Question

These are NET IONIC EQUATIONS. 3Co2+ + 2PO43- ===> Co3(PO4)2 (s) 3Cu2+ + 2PO43- ====> Cu3(PO4)2 (s) Fe3+ + PO43- ====> FePO4 (s) 3Ba2+ + 2PO43- ====> Ba3(PO4)2 (s) 3Ni2+ + 2PO43- ====> Ni3(PO4)2 (s) Please write complete balanced equations for the net equations listed above. Thanks

Explanation / Answer

a)3 Co2+ (aq) + 6 Br- (aq) + 6 Li+ (aq) + 2 PO43- (aq) = Co3(PO4)2 (s) + 6 Br- (aq) + 6 Li+ (aq) b) 3CuSO4 +2 Na3PO4=Cu3(PO4)2+3Na2SO4 1)3Cu(2+)+3SO4(2-)+6Na(+)+2PO4(3-)=Cu3(PO4)2++6Na(+)+3SO4(2-) c)Na3PO4 + FeCl3 >> 3 NaCl + FePO4 FePO4 is an insoluble salt ionic 3 Na+ + PO43- + Fe3+ + 3 Cl- >> FePO4 + 3 Na+ + 3 Cl- net ionic PO43- (aq) + Fe3+ (aq) >> FePO4 (s) d) Molecular equation: 2H3PO4 (aq) + 3Ba(OH)2 (ag) -----> Ba3(PO4)2 (s) + 6 H2O (l) Total ionic equation: 6H+ (aq) + 2PO43- (aq) + 3Ba2+ (aq) + 6OH- (aq) -----> Ba3(PO4)2 (s) + 6 H2O (l) Net ionic equation: Since there are no spectator ions, the net ionic equation is the same as the total ionic equation. 6H+ (aq) + 2PO43- (aq) + 3Ba2+ (aq) + 6OH- (aq) -----> Ba3(PO4)2 (s) + 6 H2O (l)

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