Topic 9.1 Solutions.

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Presentation transcript:

Topic 9.1 Solutions

What happens when you put Net Ionic Equations AgNO3 (aq) + NaCl(aq) AgCl(s) + NaNO3(aq) What happens when you put AgNO3 and NaCl in water?

NaCl AgNO3

NaCl AgNO3

AgNO3 NaCl

AgNO3 NaCl

AgNO3 NaCl

AgNO3 NaCl

AgNO3 NaCl

Ag NO3 Na Cl

Ag+ NO3- Na+ Cl-

Ag+ NO3- Na+ Cl-

Ag+ NO3- Cl- Na+

NO3- Ag+ Na+ Cl-

NO3- Na+ Ag+ Cl-

NO3- Na+ Ag+ Cl-

NO3- Na+ Cl- Ag+

Na+ NO3- Cl- Ag+

Na+ NO3- Cl- Ag+

Na+ NO3- Ag+ Cl-

Na+ NO3- Ag+ Cl-

Na+ NO3- Ag+ Cl-

Na+ NO3- Ag+ Cl-

NO3- Na+ AgCl

Na+ NO3- AgCl

Na+ NO3- AgCl

Na+ NO3- AgCl(s) precipitate AgCl

Precipitate: a solid formed in a chemical reaction by decreased solubility NO3- AgCl(s) precipitate AgCl

AgNO3 NaCl NaCl NaCl AgNO3 AgNO3 NaCl NaCl NaCl AgNO3 AgNO3 AgNO3 AgNO3 NaCl

AgNO3 NaCl NaCl NaCl AgNO3 AgNO3 NaCl NaCl NaCl AgNO3 AgNO3 AgNO3 AgNO3 NaCl

AgNO3 NaCl NaCl NaCl AgNO3 AgNO3 NaCl NaCl NaCl AgNO3 AgNO3 AgNO3 AgNO3 NaCl

AgNO3 NaCl NaCl NaCl AgNO3 AgNO3 NaCl NaCl NaCl AgNO3 AgNO3 AgNO3 AgNO3 NaCl Ag+ Na+ NO3- Cl-

AgNO3 NaCl NaCl NaCl AgNO3 NaCl AgNO3 Ag+ Na+ NO3- Cl- Ag+ Cl- NO3- Na+ Na+ Ag+ NO3- Cl- AgCl

Ag+ Na+ NO3- Cl- Cl- Cl- Na+ Ag+ NO3- NO3- Ag+ Na+ NO3- Ag+ Cl- Na+ NO3- Cl- NO3- Na+ Cl- Na+ Ag+ Ag+ Cl- Ag+ Cl- Cl- Ag+ Ag+ AgCl AgCl AgCl

Ag+ NO3- Cl- Ag+ NO3- Na+ Ag+ Cl- NO3- Na+ NO3- Ag+ Cl- NO3- NO3- Na+ Cl- Na+ Na+ Cl- Ag+ Ag+ Na+ NO3- Cl- NO3- Na+ Na+ Na+ Cl- Ag+ AgCl AgCl AgCl AgCl

Ag+ NO3- Cl- NO3- Na+ NO3- NO3- Na+ Ag+ NO3- NO3- Cl- Na+ Na+ Na+ Cl- Ag+ Ag+ NO3- Cl- Na+ Na+ Na+ NO3- Na+

NO3- NO3- Na+ NO3- NO3- Na+ NO3- NO3- Na+ Na+ Na+ Cl- Ag+ Ag+ NO3- Cl- Na+ Na+ Na+ NO3- Na+

NO3- NO3- Na+ NO3- NO3- Na+ NO3- NO3- Na+ Na+ Na+ Cl- Ag+ Ag+ NO3- Cl- Na+ Na+ Na+ NO3- Na+

NO3- Na+ Na+ NO3- Na+ NO3- NO3- NO3- Na+ Na+ Na+ NO3- NO3- Na+ NO3- Na+ Na+

NO3- Na+ NO3- NO3- Na+ Na+ Na+ NO3- NO3- Na+ Na+ Na+ NO3- NO3- Na+ AgCl(s)

NO3- Na+ Na+ NO3- Na+ NO3- NO3- NO3- Na+ Na+ Na+ NO3- NO3- Na+ NO3- AgCl(s)

NO3- Na+ NO3- NO3- Na+ Na+ Na+ NO3- NO3- Na+ Na+ Na+ NO3- NO3- Na+ AgCl(s)

AgNO3 (aq) + NaCl(aq) AgCl(s) + NaNO3(aq) Total ionic equation Total Ionic Equation: a chemical equation that shows all high-solubility ionic compounds in their dissociated form

AgNO3 NaCl

Ag NO3 Na Cl

Ag+ NO3- Na+ Cl-

Ag+ NO3- Na+ Cl-

Ag+ NO3- Cl- Na+

NO3- Ag+ Na+ Cl-

NO3- Na+ Ag+ Cl-

NO3- Na+ Ag+ Cl-

NO3- Na+ Cl- Ag+

Na+ NO3- Cl- Ag+

Na+ NO3- Cl- Ag+

Na+ NO3- Ag+ Cl-

Na+ NO3- Ag+ Cl-

Na+ NO3- Ag+ Cl-

Na+ NO3- Ag+ Cl- Reaction

Na+ NO3- AgCl Reaction

Na+ NO3- AgCl

No Reaction Na+ NO3- AgCl

No Reaction Na+ NO3- AgCl

No Reaction NO3- Na+ AgCl

NO3- Na+ AgCl

Na+ NO3- AgCl

Na+ NO3- AgCl

Na+ NO3- AgCl

Na+ NO3- AgCl

These ions do not participate in the reaction. They are called SPECTATOR IONS Na+ NO3- AgCl

Spectator: an entity such as an ion, molecule, or ionic solid that does not change or take part in a chemical reaction

Ag+ Cl-

Cl- Ag+

Cl- Ag+

Cl- Ag+

Ag+ Cl-

Ag+ Cl-

Ag+ Cl-

Ag+ Cl-

AgCl

AgCl

AgCl

AgCl

AgCl

AgCl

AgCl

The net ionic equation is constructed from the total ionic equation: Net Ionic Equation: a way of representing a reaction by writing only those ions specifically involved in an overall chemical reaction.

Ions involved in the reaction forming the precipitate

Spectator ions

Spectator ions

We cancel out any spectator ions in the total ionic equations

No3- and Na+ are not participating in the reaction

net ionic equation Ag + ( aq ) + Cl - )

net ionic equation

Summary Writing Net Ionic Equations Write a balanced chemical equation Using solubility information rewrite the formulas for all high-solubility ionic compounds as dissociated ions to show total net ionic equation Cancel out spectator ions Write the net ionic equation

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