Net Ionic Equations and Balancing

The video tutorial explains how to write a balanced net ionic equation for the reaction between strontium nitrate and ammonium carbonate. It begins with balancing the molecular equation, followed by determining the solubility and states of the compounds involved. The tutorial then demonstrates how to form the complete ionic equation, identify and remove spectator ions, and finalize the net ionic equation. The importance of charge and atom balance is emphasized throughout the process.

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

• Write the complete ionic equation

• Balance the molecular equation

• Identify spectator ions

• Determine the solubility of compounds

How do you balance the number of nitrate ions in the molecular equation?

• Add a coefficient of 2 in front of strontium nitrate

• Add a coefficient of 2 in front of ammonium carbonate

• Add a coefficient of 2 in front of ammonium nitrate

• Add a coefficient of 2 in front of strontium carbonate

Which of the following compounds is generally insoluble unless bonded to a group one element or ammonium ion?

• Chlorides

• Nitrates

• Carbonates

• Ammonium compounds

What is the state of strontium carbonate in the net ionic equation?

• Liquid

• Aqueous

• Solid

• Gas

What is the purpose of writing a complete ionic equation?

• To balance the charges

• To determine solubility

• To split strong electrolytes into ions

• To identify the precipitate

Which ions are considered spectator ions in this reaction?

• Nitrate ions

• Carbonate ions

• Ammonium ions

• Strontium ions

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

• Variable

• Positive

• Zero

• Negative

Why is it important to ensure that the net ionic equation is balanced?

• To make sure the reaction is spontaneous

• To ensure the reaction is endothermic

• To verify the reaction is exothermic

• To confirm the conservation of mass and charge

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

• Determining solubility

• Crossing out spectator ions

• Writing the complete ionic equation

• Balancing the molecular equation

What is the charge on the strontium ion in the net ionic equation?

• 1-

• 2+

• 1+

• 2-