Respuesta :
1) Dissociation of HCl(aq) and Fe(OH)3(s)
HCl
[tex]HCl\rightarrow H^++Cl^-[/tex]Fe(OH)3
[tex]Fe(OH)_3\rightarrow Fe^{3+}+3OH^-[/tex]2) Combine the chemical equations above and balance.
[tex]HCl+Fe(OH)_3\rightarrow FeCl_3+H_2O[/tex]List the elements (or polyatomic ions) in the reactants.
H: 4
Cl: 1
Fe: 1
O: 3
List the elements (or polyatomic ions) in the products.
H: 2
Cl: 3
Fe: 1
O: 1
Balance Cl.
[tex]3HCl+Fe(OH)_3\rightarrow FeCl_3+H_2O[/tex]List the elements (or polyatomic ions) in the reactants.
H: 6
Cl: 3
Fe: 1
O: 3
List the elements (or polyatomic ions) in the products.
H: 2
Cl: 3
Fe: 1
O: 1
Balance H.
[tex]3HCl+Fe(OH)_3\rightarrow FeCl_3+3H_2O[/tex]List the elements (or polyatomic ions) in the reactants.
H: 6
Cl: 3
Fe: 1
O: 3
List the elements (or polyatomic ions) in the products.
H: 6
Cl: 3
Fe: 1
O: 3
The balanced chemical equation is
[tex]3HCl_{(aq)}+Fe(OH)_{3(s)}\rightarrow FeCl_{3(aq)}+3H_2O_{(l)}[/tex]3) Dissociation of H2CO3(aq) and Mg(OH)2(s)
H2CO3
[tex]H_2CO_3\rightarrow2H^++CO_3^{2-}[/tex]Mg(OH)2
[tex]Mg(OH)_2\rightarrow Mg^{2+}+2OH^-[/tex]4) Combine the chemical equations above and balance.
[tex]H_2CO_3+Mg(OH)_2\rightarrow MgCO_3+H_2O[/tex]List the elements (or polyatomic ions) in the reactants.
H: 4
C: 1
O: 5
Mg: 1
List the elements (or polyatomic ions) in the products.
H: 2
C: 1
O: 4
Mg: 1
Balance H.
[tex]H_2CO_3+Mg(OH)_2\rightarrow MgCO_3+2H_2O[/tex]List the elements (or polyatomic ions) in the reactants.
H: 4
C: 1
O: 5
Mg: 1
List the elements (or polyatomic ions) in the products.
H: 4
C: 1
O: 5
Mg: 1
The balanced chemical equation is
[tex]H_2CO_3+Mg(OH)_2\rightarrow MgCO_3+2H_2O[/tex]