Barium Compounds and Ionic Equations

This video tutorial explains how to write a balanced net ionic equation for the reaction between barium hydroxide and phosphoric acid. It covers balancing the molecular equation, determining the states of substances, forming the complete ionic equation, and deriving the net ionic equation. The tutorial emphasizes the importance of balancing both atoms and charges in the equation.

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

• Identify spectator ions

• Write the complete ionic equation

• Determine the states of substances

• Balance the molecular equation

How many barium atoms are needed to balance the molecular equation?

• 4

• 3

• 2

• 1

Which of the following is considered a strong base?

• Water

• Barium phosphate

• Barium hydroxide

• Phosphoric acid

What is the state of barium phosphate in the reaction?

• Aqueous

• Gas

• Solid

• Liquid

Why don't we split weak acids into ions in the complete ionic equation?

• They are insoluble

• They only partially dissociate

• They are strong electrolytes

• They are gases

What is the charge of the hydroxide ion?

• 2+

• 1+

• 1-

• 2-

What do we do with spectator ions in the net ionic equation?

• Change their charges

• Convert them to solids

• Cross them out

• Include them in the final equation

What ensures the net ionic equation is balanced?

• Equal number of molecules on each side

• Equal number of atoms on each side

• Equal number of electrons on each side

• Equal number of ions on each side

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

• 12+

• 0

• 6-

• 6+

What is the final product of the reaction between barium hydroxide and phosphoric acid?

• Barium phosphate

• Barium hydroxide

• Phosphoric acid

• Water