Net Ionic Equations and Ions

This video tutorial guides viewers through writing a balanced net ionic equation for the reaction between sulfuric acid (H2SO4) and magnesium carbonate (MgCO3). It begins with balancing the molecular equation, identifying the states of substances, and then breaking down strong electrolytes into ions for the complete ionic equation. The tutorial explains how to identify and remove spectator ions to derive the net ionic equation, ensuring charge and atom balance. The video concludes with a review of the balanced net ionic equation, emphasizing charge conservation.

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

• Identify spectator ions

• Write the states of substances

• Split strong electrolytes into ions

• Balance the molecular equation

Which of the following is a strong acid that dissociates in water?

• Carbon dioxide

• Magnesium carbonate

• Sulfuric acid

• Magnesium sulfate

What is the state of magnesium carbonate in the reaction?

• Liquid

• Aqueous

• Gas

• Solid

Which ions are split in the complete ionic equation?

• Carbonate ions

• Water molecules

• Magnesium ions

• Hydrogen ions

What is the charge of the sulfate ion?

• 1-

• 1+

• 2-

• 2+

Which of the following is not split in the net ionic equation?

• Magnesium carbonate

• Magnesium ions

• Hydrogen ions

• Sulfate ions

What is a spectator ion in this reaction?

• Sulfate ion

• Carbonate ion

• Magnesium ion

• Hydrogen ion

What ensures that the net ionic equation is balanced?

• Equal number of ions on both sides

• Equal number of atoms on both sides

• Equal number of molecules on both sides

• Equal number of electrons on both sides

What is the charge on the magnesium ion in the product side?

• 1-

• 1+

• 2-

• 2+

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

• Ensure charge and atom balance

• Write the states of substances

• Cross out spectator ions

• Balance the molecular equation