Net Ionic Equations and Spectator Ions

The video tutorial explains how to write a balanced net ionic equation for the reaction between lead(II) acetate and potassium chloride. It begins with balancing the molecular equation, assigning states to each substance, and then splitting strong electrolytes into ions to form the complete ionic equation. Spectator ions are identified and crossed out, leaving the net ionic equation. The tutorial concludes by verifying the balance of charges and atoms in the final equation.

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

• Identify spectator ions

• Balance the molecular equation

• Determine the solubility of compounds

• Write the net ionic equation directly

How do you balance the acetate ions in the molecular equation?

• Add a coefficient of 2 in front of potassium chloride

• Add a coefficient of 2 in front of potassium acetate

• Add a coefficient of 2 in front of lead(II) chloride

• Add a coefficient of 2 in front of lead(II) acetate

Which of the following is true about acetates in aqueous solutions?

• They are slightly soluble

• They are insoluble

• They are gaseous

• They are very soluble

What is the state of lead(II) chloride in the reaction?

• Liquid

• Solid

• Gas

• Aqueous

What happens to spectator ions in the complete ionic equation?

• They form a precipitate

• They are removed from the net ionic equation

• They are included in the net ionic equation

• They change their state

Which ions are considered spectator ions in this reaction?

• Potassium ions

• Lead(II) ions

• Chloride ions

• Acetate ions

What is the net ionic equation for the reaction between lead(II) acetate and potassium chloride?

• 2K^+ + 2C2H3O2^- → 2KC2H3O2

• 2K^+ + 2Cl^- → 2KCl

• Pb^2+ + 2Cl^- → PbCl2(s)

• Pb^2+ + 2C2H3O2^- → Pb(C2H3O2)2

How do you ensure the charges are balanced in the net ionic equation?

• By adding more ions

• By removing all ions

• By adjusting coefficients

• By changing the states of compounds

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

• Zero

• Positive

• Negative

• Undefined

Why is it important to count the atoms in the net ionic equation?

• To find the reaction rate

• To determine solubility

• To identify spectator ions

• To ensure the equation is balanced