Write in molecular, ionic form (full ionic and abbreviated equation) + arrange the coefficients 1) Na2SO4 + Ba (NO3) 2

Write in molecular, ionic form (full ionic and abbreviated equation) + arrange the coefficients 1) Na2SO4 + Ba (NO3) 2 – 2) CaCO3 + HNO3- 3) Zn + H2SO4- 4) Cu (NO3) 2 + KOH- 5) Mg (OH) 2 + HNO3- 6) FeCl3 + NaOH- 7) AlBr3 + AgNO3-

1) Na2SO4 + Ba(NO3)2 → BaSO4↓ + 2NaNO3;

2Na+ SO42- + Ba2+ + 2NO3 → BaSO4↓ + 2Na+ 2NO3;

SO42- + Ba2+ → BaSO4↓.

2) CaCO3↓ + 2HNO3 → Ca(NO3)2 + H2CO3;

CaCO3↓ + 2H+ + 2NO3– → Ca2+ + 2NO3 + 2H+ + CO32-;

CaCO3↓ → Ca2+ + CO32-.

3) Zn + H2SO4 →  ZnSO4 + H2↑;

4) Cu(NO3)2 + 2KOH → Cu(OH)2↓ + 2KNO3;

Cu2+ + 2NO3 + 2K+ + 2OH– → Cu(OH)2↓ + 2K+ 2NO3;

Cu2+ + 2OH– → Cu(OH)2↓.

5) Mg(OH)2 + 2HNO3 → Mg(NO3)+ 2H2O;

Mg2+ + 2OH + 2H+ + 2NO3– → Mg2+ + 2NO3– + 2H2O;

2OH + 2H→ 2H2O

6) FeCl3 + 3NaOH → Fe(OH)3↓ + 3NaCl;

Fe3+ + 3Cl– + 3Na+ 3OH → Fe(OH)3↓ + 3Na+ 3Cl;

Fe3+ + 3OH → Fe(OH)3↓.

7) AlBr3 + 3AgNO3 →Al(NO3)3 + 3AgBr↓;

Al3+ + 3Br– + 3Ag+ 3NO3– → Al3+ + 3NO3– + 3AgBr↓;

3Br– + 3Ag→ 3AgBr↓



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