Net Ionic Equations

Net Ionic Equations   Show the total ionic and net ionic forms of the following equations. If all species are spectator ions, please indicate that no reaction takes place. Note! You need to make sure the original equation is balanced before proceeding! A set of solubility rules are given at the end of this document.   1. AgNO3 (aq) + KCl (aq) AgCl (s) + KNO3 (aq)   2. Mg(NO3)2 (aq) + Na2CO3 (aq) MgCO3 (s) + NaNO3 (aq)   3. strontium bromide (aq) + potassium sulfate (aq) strontium sulfate (s) + potassium bromide (aq)   4. manganese(II) chloride (aq) + ammonium carbonate (aq) manganese(II) carbonate (s) + ammonium chloride (aq)   5. chromium(III) nitrate (aq) + iron(II) sulfate (aq) chromium(III) sulfate (aq) + iron(II) nitrate (aq)   Please complete the following reactions, and show the total ionic and net ionic forms of the equation:   6. K3PO4 (aq) + Al(NO3)3 (aq)     7. BeI2 (aq) + Cu2SO4 (aq)     8. Ni(NO3)3 (aq) + KBr (aq)     9. cobalt(III) bromide + potassium sulfide     10. barium nitrate + ammonium phosphate     11. calcium hydroxide + iron(III) chloride     12. rubidium fluoride + copper(II) sulfate     Solubility Rules   1. All salts of Group IA, and ammonium are soluble.   2. All salts of nitrates, chlorates and acetates are soluble. 3. All salts of halides are soluble except those of silver(I), copper(I), lead(II), and mercury(I).   4. All salts of sulfate are soluble except for barium sulfate, lead(II) sulfate, and strontium sulfate.   5. All salts of carbonate, phosphate and sulfite are insoluble, except for those of group IA and ammonium.   6. All oxides and hydroxides are insoluble except for those of group IA, calcium, strontium and barium.   7. All salts of sulfides and insoluble except for those of Group IA and IIA elements and of ammonium.                Answers   1. Molecular: AgNO3 (aq) + KCl (aq) AgCl (s) + KNO3 (aq)   Total Ionic: Ag+ (aq) + NO3¯ (aq) + K+ (aq) + Cl¯ (aq) AgCl (s) + K+ (aq) + NO3¯ (aq)   Net Ionic: Ag+ (aq) + Cl¯ (aq) AgCl (s)   2. Molecular: Mg(NO3)2 (aq) + Na2CO3 (aq) MgCO3 (s) + 2 NaNO3 (aq)   Total Ionic: Mg2+ (aq) + 2 NO3¯ (aq) + 2 Na+ (aq) + CO32- (aq) MgCO3 (s) + 2 Na+ (aq) + 2 NO3¯ (aq)   Net Ionic: Mg2+ (aq) + CO32- (aq) MgCO3 (s)   3. strontium bromide (aq) + potassium sulfate (aq) strontium sulfate (s) + potassium bromide (aq)     Molecular: SrBr2 (aq) + K2SO4 (aq) SrSO4 (s) + 2 KBr (aq)   Total Ionic: Sr2+ (aq) + 2 Br¯ (aq) + 2 K+ (aq) + SO42- (aq) SrSO4 (s) + 2 K+ (aq) + 2 Br¯ (aq)   Net Ionic: Sr2+ (aq) + SO42- (aq) SrSO4 (s)   4. Molecular: manganese(II) chloride (aq) + ammonium carbonate (aq) manganese(II)   carbonate (s) + ammonium chloride (aq) Molecular: MnCl2 (aq) + (NH4)2CO3 (aq) MnCO3 (s) + 2 NH4Cl (aq)   Total Ionic: Mn2+ (aq) + 2 Cl¯ (aq) + 2 NH4+ (aq) + CO32- (aq) MnCO3 (s) + 2 NH4+ (aq) + 2 Cl¯ (aq)   Net Ionic: Mn2+ (aq) + CO32- (aq) MnCO3 (s)         5. Molecular: chromium(III) nitrate (aq) + iron(II) sulfate (aq) chromium(III) sulfate (aq)   + iron(II) nitrate (aq)   Molecular: 2 Cr(NO3)3 (aq) + 3 FeSO4 (aq) 3 Fe(NO3)2 (aq) + Cr2(SO4)3 (aq)   Total Ionic: 2 Cr3+ (aq) + 6 NO3¯ (aq) + 3 Fe2+ (aq) + 3 SO42- (aq) 2 Cr3+ (aq) + 6 NO3¯ (aq)   + 3 Fe2+ (aq) + 3 SO42- (aq) Net Ionic: No Reaction   6. Molecular: K3PO4 (aq) + Al(NO3)3 (aq) AlPO4 (s) + 3 KNO3 (aq)   Total Ionic: 3 K+ (aq) + PO43- (aq) + Al3+ (aq) + 3 NO3¯ (aq) AlPO4 (s) + 3 K+ (aq) + 3 NO3¯ (aq)   Net Ionic: Al3+ (aq) + PO43- (aq) AlPO4 (s)   7. Molecular: BeI2 (aq) + Cu2SO4 (aq) BeSO4 (aq) + 2 CuI (s)   Total Ionic: Be2+ (aq) + 2 I¯ (aq) 2 Cu+ (aq) + SO42- (aq) Be2+ (aq) + SO42- (aq) + 2 CuI (s)   Net Ionic: 2 Cu2+ (aq) + 2 I¯ (aq) 2 CuI (s)   8. Molecular: Ni(NO3)3 (aq) + 3 KBr (aq) NiBr3 (aq) + 3 KNO3 (aq)   Total Ionic: Ni3+ (aq) + 3 NO3¯ (aq) + 3 K+ (aq) + 3 Br¯ (aq) Ni3+ (aq) + 3 NO3¯ (aq)   + 3 K+ (aq) + 3 Br¯ (aq) Net Ionic: No Reaction   9. Molecular: cobalt(III) bromide + potassium sulfide   Molecular: 2 CoBr3 (aq) + 3 K2S(aq) Co2S3 (s) + 6 KBr (aq)   Total Ionic: 2 Co3+ (aq) + 6 Br¯ (aq) + 6 K+ (aq) + 3 S2- (aq) Co2S3 (s) + 6 K+ (aq) + 6 Br¯ (aq)   Net Ionic: 2 Co3+ (aq) + 3 S2- (aq) Co2S3 (s) 10. Molecular: barium nitrate + ammonium phosphate   Molecular: 3 Ba(NO3)2 (aq) + 2 (NH4)3PO4 (aq) Ba3(PO4)2 (s) + 6 NH4NO3 (aq)   Total Ionic: 3 Ba2+ (aq) + 6 NO3¯ (aq) + 6 NH4+ (aq) + PO43- (aq) Ba3(PO4)2 (s) + 6 NH4+ (aq) + 6 NO3¯ (aq)   Net Ionic: 3 Ba2+(aq) + 2 PO43- (aq) Ba3(PO4)2 (s)   11. Molecular: calcium hydroxide + iron(III) chloride   Molecular: 3 Ca(OH)2 (aq) + 2 FeCl3 (aq) 3 CaCl2 (aq) + 2 Fe(OH)3 (s)   Total Ionic: 3 Ca2+ (aq) + 6 OH¯ (aq) + 2 Fe3+ (aq) + 6 Cl¯ (aq) 3 Ca2+ (aq) + 6 Cl¯ (aq) + 2 Fe(OH)3 (s)   Net Ionic: 2 Fe3+ (aq) + 6 OH¯ (aq) 2 Fe(OH)3 (s) simplifies to:   Fe3+ (aq) + 3 OH¯ (aq) Fe(OH)3 (s)   12. Molecular: rubidium fluoride + copper(II) sulfate   Molecular: 2 RbF (aq) + CuSO4 (aq) Rb2SO4 (aq) + CuF2 (aq)   Total Ionic: 2 Rb+(aq) + 2 F¯ (aq) + Cu2+ (aq) + SO42- (aq) 2 Rb+ (aq) + SO42- (aq) + Cu2+ (aq) + 2 F¯ (aq)   Net Ionic: No Reaction