Net Ionic Equations and Solubility

The video tutorial explains how to write a balanced net ionic equation for the reaction between zinc sulfate and strontium hydroxide. It covers balancing the molecular equation, determining the states of substances, and writing both complete and net ionic equations. The tutorial highlights the formation of two precipitates and ensures charge balance in the reaction.

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

• Write the complete ionic equation

• Balance the molecular equation

• Determine the solubility of products

• Identify spectator ions

Which of the following is generally soluble in water?

• Strontium sulfate

• Calcium carbonate

• Zinc sulfate

• Zinc hydroxide

Why is strontium sulfate considered an exception in terms of solubility?

• It is a strong acid

• It is a strong base

• It is poorly soluble despite being a sulfate

• It is highly soluble

What happens to substances that are poorly soluble in a reaction?

• They form a precipitate

• They dissolve completely

• They remain as ions

• They evaporate

In a net ionic equation, which substances are not split into ions?

• Aqueous solutions

• Solids

• Strong bases

• Strong acids

What is the purpose of crossing out spectator ions in an ionic equation?

• To identify the precipitate

• To determine solubility

• To balance the charges

• To simplify the equation

What is unique about the net ionic equation for the reaction between zinc sulfate and strontium hydroxide?

• It forms a gas

• It has no spectator ions

• It is unbalanced

• It involves a redox reaction

How is the net charge of the reactants and products verified in a net ionic equation?

• By balancing the molecular equation

• By checking the solubility

• By ensuring the charges are equal on both sides

• By counting the number of atoms

What is the net charge of the reactants in the given reaction?

• 0

• 4+

• 4-

• 2+

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

• Write the states of each substance

• Cross out the spectator ions

• Identify the precipitate

• Verify the charge balance