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Lead ions can be removed from solution by precipitation with sulfate ions. Suppose a solution contains lead(II) nitrate.

Lead Ions Can Be Removed From Solution By Precipitation With Sulfate Ions Suppose A Solution Contains LeadII Nitrate class=

Sagot :

1) List the compounds involved in the reaction.

Lead (II) nitrate

Potassium sulfate

Lead (II) sulfate

Potassium nitrate.

2) Write the formula of every compound.

Lead (II) nitrate: Pg(NO3)2

Potassium sulfate: K2SO4

Lead (II) sulfate: PbSO4

Potassium nitrate: KNO3

3) Write the chemical equation

.

[tex]Pb(NO_3)_2+K_2SO_4\rightarrow PbSO_4+KNO_3[/tex]

List the elements (or polyatomic ions) in the reactants.

Pb: 1

NO3: 2

K: 2

SO4: 1

List the elements (or polyatomic ions) in the products.

Pb: 1

NO3: 1

K: 1

SO4: 1

Balance K.

[tex]Pb(NO_3)_2+K_2SO_4\rightarrow PbSO_4+2KNO_3[/tex]

List the elements (or polyatomic ions) in the reactants.

Pb: 1

NO3: 2

K: 2

SO4: 1

List the elements (or polyatomic ions) in the products.

Pb: 1

NO3: 2

K: 2

SO4: 1

4) Balanced chemical equation.

[tex]Pb(NO_3)_{2(aq)}+K_2SO_{4(aq)}\rightarrow PbSO_{4(s)}+2KNO_{3(aq)}[/tex]

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