Question

The insoluble salt barium hydroxide can be prepared by the reaction of sodium hydroxide andbarium nitrate.Name the method of salt preparation that would be used.Write a balanced chemical equation for the reaction.Write an ionic equation for the juice is often used to remove stains/mildew from clothes. How this process works ? include ionic equation.​

Answer 1

Barium hydroxide is prepared through a precipitation reaction between sodium hydroxide and barium nitrate, resulting in the insoluble barium hydroxide precipitating out of the solution.

Step-by-step explanation:

To prepare the insoluble salt barium hydroxide, a precipitation reaction occurs between sodium hydroxide and barium nitrate. The balanced chemical equation for this reaction is:

Ba(NO3)2(aq) + 2NaOH(aq) → Ba(OH)2(s) + 2NaNO3(aq)

The ionic equation for this reaction, excluding spectator ions, would be:

Ba²⁺(aq) + 2OH⁻(aq) → Ba(OH)2(s)

This illustrates that barium hydroxide precipitates out of the solution when barium ions and hydroxide ions meet in an aqueous environment.