Question

In: Chemistry

Write molecular and complete ionic and net ionic equations for the EACH of the following: 1....

Write molecular and complete ionic and net ionic equations for the EACH of the following: 1. Magnesium hydroxide plus water 2. Magnesium hydroxide and hydrochloric acid 3. sodium carbonate and hydrochloric acid 4. Sodium Sulfite and hydrochloric acid

Solutions

Expert Solution

1. Mg(OH)2(s) + H2O(l) ----------->Mg(OH)2 (aq)

    Mg(OH)2 + H2O(l) ------------> Mg^2+ (aq) + 2OH^- (aq)

2. Magnesium hydroxide and hydrochloric acid

      Mg(OH)2 (aq) + 2HCl (aq) -------------> MgCl2 + 2H2O (l)

      Mg^2+ (aq) +2(OH)^- (aq) + 2H^+ (aq) +2Cl^- (aq) -------------> Mg^2+ (aq) +2Cl^-(aq) + 2H2O (l)

         removal of spectator ions to get net ionic equation

2(OH)^- (aq) + 2H^+ -------------> 2H2O (l)   net ionic equation

3. sodium carbonate and hydrochloric acid

        Na2CO3(aq) + 2HCl (aq) --------------> 2NaCl (aq) + CO2(g) + H2O (l)

        2Na^+ (aq) +CO3^2-(aq) + 2H^+ (aq) +2Cl^- (aq) --------------> 2Na^+ (aq) +2Cl^- (aq) + CO2(g) + H2O (l)

removal of spectator ions to get net ionic equation

    CO3^2-(aq) + 2H^+ (aq) --------------> CO2(g) + H2O (l) net ionic equation

4. Sodium Sulfite and hydrochloric acid

       Na2So3 (aq) + 2HCl (aq) -------------> 2NaCl(aq) + SO2(g) + H2O(l)

2Na^+ (aq) +SO3^2-(aq) + 2H^+ (aq) +2Cl^- (aq) --------------> 2Na^+ (aq) +2Cl^- (aq) + SO2(g) + H2O (l)

removal of spectator ions to get net ionic equation

    SO3^2-(aq) + 2H^+ (aq) --------------> SO2(g) + H2O (l) net ionic equation

        

        

queen_honey_blossom answered 2 years ago
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