Net Ionic Equations and Spectator Ions

The video tutorial explains how to write a balanced net ionic equation for the reaction between hydrobromic acid (HBr) and sodium carbonate (Na2CO3). 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 removed to derive the net ionic equation. The tutorial concludes by ensuring the equation is balanced in terms of both atoms and charge.

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

• Identify spectator ions

• Balance the molecular equation

• Split strong electrolytes into ions

• Determine the states of substances

Which of the following is a strong base that dissolves and dissociates in water?

• Na2CO3

• CO2

• H2O

• HBr

What is the state of sodium carbonate in the reaction?

• Liquid

• Gas

• Solid

• Aqueous

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

• 1-

• 2-

• 1+

• 2+

Which ions are considered spectator ions in this reaction?

• Carbonate ions

• Bromide ions

• Sodium ions

• Hydrogen ions

What happens to spectator ions in the net ionic equation?

• They form a new compound

• They change their charge

• They are removed from the equation

• They are included in the equation

What is the net charge on both sides of the balanced net ionic equation?

• 0

• 1-

• 2+

• 1+

Which of the following is not split into ions in the net ionic equation?

• CO2

• Na2CO3

• HBr

• NaBr

What is the final step in verifying the net ionic equation?

• Identifying the products

• Counting the number of atoms

• Checking the solubility of compounds

• Ensuring the charges are balanced

What is the purpose of writing a net ionic equation?

• To focus on the ions that participate in the reaction

• To highlight the formation of gases

• To balance the molecular equation

• To show all compounds involved