Net Ionic Equations and Spectator Ions

This video tutorial guides viewers through balancing the net ionic equation for the reaction between copper(II) chloride and lithium phosphate. It begins with balancing the molecular equation, followed by determining the solubility and states of the compounds involved. The tutorial then explains how to split strong electrolytes into ions to form the complete ionic equation. Spectator ions are identified and removed to derive the net ionic equation. The video concludes by ensuring that both charge and atom balance are achieved in the final equation.

What is the first step in balancing a net ionic equation?

• Balance the molecular equation

• Write the net ionic equation

• Identify spectator ions

• Determine the solubility of compounds

Why do we put a coefficient of 2 in front of lithium phosphate?

• To balance chlorine atoms

• To balance copper atoms

• To balance phosphate ions

• To balance lithium atoms

What is the solubility state of chlorides in general?

• Insoluble

• Soluble

• Forms a precipitate

• Depends on the metal

Which of the following is generally insoluble?

• Sulfates

• Phosphates

• Lithium compounds

• Chlorides

What is the charge on a copper ion in CuCl2?

• 0

• 3+

• 2+

• 1+

What are spectator ions?

• Ions that participate in the reaction

• Ions that do not change during the reaction

• Ions that form a precipitate

• Ions that are insoluble

How many chloride ions are present in the complete ionic equation?

• Two

• Eight

• Four

• Six

What is the net charge of the balanced net ionic equation?

• Negative

• Positive

• Depends on the reactants

• Zero

What happens to spectator ions in the net ionic equation?

• They are included

• They change charge

• They are removed

• They form a precipitate

What ensures that the net ionic equation is balanced?

• Equal number of molecules

• Equal number of atoms

• Both equal number of atoms and balanced charges

• Balanced charges