Net Ionic Equations and Balancing

This video tutorial guides viewers through writing a balanced net ionic equation for the reaction between barium chloride and sodium sulfide. It begins with balancing the molecular equation, followed by applying solubility rules to determine the states of each substance. The tutorial then explains how 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 the charge and atoms are balanced in the final equation.

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

• Determine the states of substances

• Identify spectator ions

• Balance the molecular equation

• Split compounds into ions

How do you balance the number of chlorine atoms in the reaction?

• Add a coefficient of 2 in front of BaCl2

• Add a coefficient of 3 in front of Na2S

• Add a coefficient of 3 in front of BaS

• Add a coefficient of 2 in front of NaCl

Which of the following is generally insoluble?

• Sulfides

• Chlorides

• Sodium compounds

• Potassium compounds

What state is assigned to barium sulfide in the reaction?

• Gas

• Aqueous

• Solid

• Liquid

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

• 1+

• 2+

• 1-

• 2-

Which ions are considered spectator ions in this reaction?

• Sodium and barium ions

• Sodium and chloride ions

• Chloride and sulfide ions

• Barium and sulfide ions

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

• 1+

• 2+

• 0

• 1-

What is the purpose of removing spectator ions in the net ionic equation?

• To identify the precipitate

• To determine solubility

• To balance the equation

• To simplify the equation

Which of the following is true about the net ionic equation?

• It includes all ions present in the reaction

• It is the same as the molecular equation

• It only includes ions that participate in the reaction

• It shows the physical states of all compounds

What ensures that the net ionic equation is balanced?

• Equal number of atoms on both sides

• Equal number of molecules on both sides

• Equal number of compounds on both sides

• Equal number of electrons on both sides