Net Ionic Equations and Reactions

The video tutorial explains how to balance a net ionic equation for H3PO3 and NaOH. It begins with balancing the molecular equation, assigning states to each substance, and splitting strong electrolytes into ions. The tutorial emphasizes not splitting weak electrolytes and liquids. Spectator ions are identified and removed to finalize the net ionic equation. The tutorial concludes by verifying that both atoms and charges are balanced.

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

• Identify spectator ions

• Balance the molecular equation

• Split strong electrolytes into ions

• Assign states to substances

How many sodium atoms are needed to balance the molecular equation for the reaction between phosphorus acid and sodium hydroxide?

• One

• Three

• Four

• Two

What is the state of phosphorus acid in the reaction?

• Gas

• Solid

• Liquid

• Aqueous

Which of the following is a strong electrolyte in the reaction?

• Phosphorus acid

• Sodium hydroxide

• None of the above

• Water

What type of reaction occurs between phosphorus acid and sodium hydroxide?

• Decomposition

• Neutralization

• Redox

• Precipitation

What is the purpose of splitting strong electrolytes into ions?

• To balance the equation

• To calculate the reaction rate

• To identify spectator ions

• To determine the reaction type

Which ions are considered spectator ions in this reaction?

• Phosphate ions

• Sodium ions

• Hydrogen ions

• Hydroxide ions

Why is phosphorus acid not split into ions in the net ionic equation?

• It is a strong acid

• It is a weak acid

• It is a solid

• It is a gas

What must be balanced in the final net ionic equation?

• Only charges

• Only atoms

• Neither atoms nor charges

• Both atoms and charges

What is the charge on the reactant side of the net ionic equation?

• 3-

• 2-

• 1-

• 0