Balancing Ionic Equations and Reactions

The video tutorial explains how to write a balanced net ionic equation for the reaction between lead(II) nitrate and sulfuric acid. It begins by balancing the molecular equation, then assigns states to each substance using solubility rules. The tutorial proceeds 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 charge and atom balance in the final equation.

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

• Balance the molecular equation

• Determine the states of substances

• Identify spectator ions

• Write the complete ionic equation

How do you balance the number of nitrates in the molecular equation?

• Add a coefficient of 2 in front of Pb(NO3)2

• Add a coefficient of 3 in front of H2SO4

• Add a coefficient of 3 in front of PbSO4

• Add a coefficient of 2 in front of HNO3

Which of the following is a strong acid that dissociates into ions?

• Water

• Lead(II) sulfate

• Sulfuric acid

• Lead(II) nitrate

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

• Aqueous

• Solid

• Gas

• Liquid

What is the purpose of using a solubility table in this context?

• To determine the charge of ions

• To balance the molecular equation

• To find the solubility of compounds

• To identify spectator ions

What is the charge of the lead ion in the complete ionic equation?

• 2-

• 1-

• 2+

• 1+

Which ions are considered spectator ions in this reaction?

• Lead ions

• Hydrogen ions

• Sulfate ions

• Nitrate ions

What is the net ionic equation for the reaction between lead(II) nitrate and sulfuric acid?

• 2H+ + 2NO3- → H2NO3

• Pb^2+ + SO4^2- → PbSO4

• 2Pb^2+ + 2SO4^2- → 2PbSO4

• Pb(NO3)2 + H2SO4 → PbSO4 + 2HNO3

Why is it important to ensure charge balance in the net ionic equation?

• To make the equation more complex

• To ensure the reaction is neutral

• To identify spectator ions

• To balance the molecular equation

What is the net charge of the compounds in the net ionic equation?

• 0

• 1-

• 2+

• 1+