Writing Net Ionic Equations: How to Include Physical States and Charges

In summary, a net ionic equation is a chemical equation that only shows the species involved in a reaction and excludes spectator ions. To write one, start with a balanced molecular equation, break apart soluble ionic compounds, eliminate spectator ions, and combine the remaining ions. Writing net ionic equations allows for a better understanding of the actual chemical reactions occurring. Spectator ions are those that remain in the same form on both sides of the equation and do not undergo any changes. Not all reactions have net ionic equations, as they are most commonly used for reactions involving ionic compounds in aqueous solutions.
  • #1
chick06
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Homework Statement


When writing chemical formulas in Mastering, indicate the physical states using the abbreviation , , or for solid, liquid, or gas, respectively. Use for aqueous solution.

Write the total ionic equation (also known as the complete ionic equation) for the reaction of lithium carbonate with hydrochloric acid. Be sure to include the charges on the ionic species.



2. The attempt at a solution
This is what i came up with Li2CO3(aq)+2HCl(aq)---->H2CO3(l)+2LiCl(aq)
 
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  • #2
What you wrote is not an ionic equation.
 

1. What is a net ionic equation?

A net ionic equation is a chemical equation that only shows the species that are involved in a chemical reaction. It excludes spectator ions, which are ions that do not participate in the reaction and remain in solution.

2. How do I write a net ionic equation?

To write a net ionic equation, first write the balanced molecular equation. Then, break apart any soluble ionic compounds into their respective ions. Next, eliminate any spectator ions on both sides of the equation. Finally, combine the remaining ions to write the net ionic equation.

3. Why is it important to write net ionic equations?

Writing net ionic equations allows us to focus on the actual chemical reactions occurring between the reactants and products. It also simplifies the equation and makes it easier to understand the specific ions involved in the reaction.

4. How do I know which ions are spectator ions?

Ions that are present in the same form on both the reactant and product side of the equation are considered spectator ions. These ions do not undergo any chemical changes and can be eliminated from the net ionic equation.

5. Can I write a net ionic equation for all types of reactions?

Not all reactions have net ionic equations, as some reactions do not involve ions. Net ionic equations are most commonly used for reactions involving ionic compounds in aqueous solutions.

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