Ignoring protolysis reactions (i.e. proton transfer reaction), specify what ions are present in a solution upon dissolving each of the following substances in water: (a)Li₂CO₃

검증된 단계별 안내

Step 1: Identify the type of compound. Li₂CO₃ is an ionic compound, which means it will dissociate into its constituent ions when dissolved in water.

Step 2: Identify the ions that make up the compound. Li₂CO₃ is made up of Li⁺ (lithium ions) and CO₃^2- (carbonate ions).

Step 3: Determine the number of each ion. The subscript '2' in Li₂CO₃ indicates that there are two Li⁺ ions for every one CO₃^2- ion.

Step 4: Write the dissociation equation. When Li₂CO₃ is dissolved in water, it dissociates into 2 Li⁺ ions and 1 CO₃^2- ion.

Step 5: Therefore, upon dissolving Li₂CO₃ in water, the ions present in the solution are Li⁺ and CO₃^2-.

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Dissociation of Ionic Compounds

When ionic compounds like Li2CO3 dissolve in water, they dissociate into their constituent ions. This process involves the separation of the positive and negative ions due to the interaction with water molecules, which stabilize the ions in solution.

Ionic Species in Solution

In the case of Li2CO3, the dissociation results in lithium ions (Li+) and carbonate ions (CO3^2-). Understanding the specific ions formed is crucial for predicting the behavior of the solution, including its conductivity and reactivity.

Role of Water as a Solvent

Water is a polar solvent, meaning it has a partial positive charge on one side and a partial negative charge on the other. This polarity allows water to effectively solvate ions, facilitating their separation and stabilization in solution, which is essential for the dissolution process.

Ignoring protolysis reactions (i.e. proton transfer reaction), specify what ions are present in a solution upon dissolving each of the following substances in water: (a)Li2CO3