Write the net ionic equation to show the formation of a solid (insoluble salt) when the following solutions are mixed. write noreaction if there is no precipitate. express your answer as a chemical equation. identify all of the phases in your answer. enter noreaction if no precipitate is formed.1. ca(no3)2(aq) + na2so4(aq)2. kcl(aq) + pb(no3)2(aq)3. cacl2(aq) + (nh4)3(po4)(aq)4. na2so4(aq) + bacl2(aq)

The net ionic equations are written below.

Explanation:

Net ionic equation of any reaction does not include any spectator ions.

Spectator ions are defined as the ions which does not get involved in a chemical equation. They are found on both the sides of the chemical reaction when it is present in ionic form.

For 1:

The chemical equation for the reaction of calcium nitrate and sodium sulfate is given as:

Ionic form of the above equation follows:

As, sodium and nitrate ions are present on both the sides of the reaction. Thus, it will not be present in the net ionic equation and are spectator ions.

The net ionic equation for the above reaction follows:

For 2:

The chemical equation for the reaction of lead (II) nitrate and potassium chloride is given as:

Ionic form of the above equation follows:

As, potassium and nitrate ions are present on both the sides of the reaction. Thus, it will not be present in the net ionic equation and are spectator ions.

The net ionic equation for the above reaction follows:

For 3:

The chemical equation for the reaction of calcium chloride and sodium phosphate is given as:

Ionic form of the above equation follows:

As, ammonium and chloride ions are present on both the sides of the reaction. Thus, it will not be present in the net ionic equation and are spectator ions.

The net ionic equation for the above reaction follows:

For 4:

The chemical equation for the reaction of barium chloride and sodium sulfate is given as:

Ionic form of the above equation follows:

As, sodium and chloride ions are present on both the sides of the reaction. Thus, it will not be present in the net ionic equation and are spectator ions.

The net ionic equation for the above reaction follows:

Hence, the net ionic equations are written above.

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4- c, because all matter stays the same no matter what. it is still there. 5- b, because matter is known as mass. 6-c because, flammability is a chemical property. malleability is changing the shape of an object.