Net Ionic Equations and Electrolytes

The video tutorial explains how to balance a net ionic equation for magnesium carbonate and acetic acid. It begins with balancing the molecular equation, followed by writing the states of each substance and understanding their solubility. The tutorial then covers splitting strong electrolytes into ions and identifying spectator ions. Finally, it demonstrates how to finalize and balance the net ionic equation, ensuring charge and atom balance.

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

• Split strong electrolytes into ions

• Balance the molecular equation

• Determine the solubility of compounds

• Identify spectator ions

How many acetate ions are needed to balance the molecular equation?

• Four

• Three

• Two

• One

Which of the following is a weak electrolyte?

• Acetic acid

• Carbon dioxide

• Water

• Magnesium carbonate

What is the state of carbon dioxide in the reaction?

• Solid

• Liquid

• Gas

• Aqueous

Which of the following is a strong electrolyte?

• Compounds with acetate ion

• Magnesium carbonate

• Water

• Acetic acid

Why are some compounds not split into ions in the net ionic equation?

• They are gases or liquids

• They are strong electrolytes

• They are spectator ions

• They are soluble in water

Which compound is not split into ions because it is a weak acid?

• Carbon dioxide

• Water

• Acetic acid

• Magnesium carbonate

What is the role of spectator ions in a net ionic equation?

• They are split into ions

• They are insoluble

• They are not involved in the reaction

• They balance the charge

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

• 3+

• 0

• 1+

• 2+

What ensures the conservation of charge in the net ionic equation?

• Balancing atoms

• Balancing the molecular equation

• Identifying spectator ions

• Ensuring equal charges on both sides