Net Ionic Equations and Ions

The video tutorial explains how to write the net ionic equation for the reaction between sodium carbonate (Na2CO3) and hydrochloric acid (HCl). It begins with balancing the molecular equation, followed by determining the states of the substances using a solubility table. The tutorial then covers splitting soluble compounds into their respective ions and writing the complete ionic equation. Finally, it demonstrates how to derive the net ionic equation by removing spectator ions, providing a clear understanding of the process.

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

• Split compounds into ions

• Determine the states of substances

• Balance the molecular equation

• Identify spectator ions

Which of the following is a state that can be determined using a solubility table?

• Plasma

• Aqueous

• Gas

• Solid

What charge does the sodium ion (Na+) have?

• 2-

• 1-

• 1+

• 2+

What is the charge of the carbonate ion (CO3 2-)?

• 1-

• 2+

• 2-

• 1+

Which ions do not dissociate in the reaction between Na2CO3 and HCl?

• H2O and CO2

• Na+ and CO3 2-

• Na+ and Cl-

• H+ and Cl-

What is the purpose of writing the complete ionic equation?

• To balance the equation

• To identify spectator ions

• To identify the products

• To determine the states of substances

How many sodium ions are present in the balanced equation for Na2CO3 and HCl?

• Three

• Two

• Four

• One

What is the net ionic equation used for?

• To show the states of all substances

• To show only the ions that participate in the reaction

• To show all ions in the reaction

• To show the balanced molecular equation

Which ion is considered a spectator ion in the reaction between Na2CO3 and HCl?

• CO3 2-

• Na+

• H+

• Cl-

Which of the following is not a step in writing the net ionic equation?

• Identifying spectator ions

• Calculating the reaction rate

• Determining the states of substances

• Balancing the molecular equation