iii) write an ionic equation for the precipitation of the insoluble salt, silver chloride

Sure, here is the ionic equation for the precipitation of the insoluble salt, silver chloride:

Step 1: Write down the reactants. Let's assume silver nitrate (AgNO3) reacts with sodium chloride (NaCl).

AgNO3(aq) + NaCl(aq)

Step 2: Break the reactants into their respective ions. This is called the complete ionic equation.

Ag+(aq) + NO3-(aq) + Na+(aq) + Cl-(aq)

Step 3: Identify the spectator ions. These are ions that do not participate in the reaction. In this case, Na+ and NO3- are the spectator ions.

Step 4: Write down the net ionic equation by removing the spectator ions.

Ag+(aq) + Cl-(aq) -> AgCl(s)

This is the ionic equation for the precipitation of the insoluble salt, silver chloride.