Sodium Nitrate Solubility Concepts

The video tutorial discusses whether sodium nitrate (NaNO3) is soluble in water. It confirms that NaNO3 is very soluble, explaining this through solubility rules and charts. Group one elements and nitrate ions are highlighted as soluble. A practical test is suggested to verify solubility by dissolving NaNO3 in water. The video concludes with a confirmation of NaNO3's solubility.

What is the solubility status of sodium nitrate in water?

• Not soluble at all

• Very soluble

• Slightly soluble

• Insoluble

Which group of elements, when present in a compound, generally makes it soluble?

• Noble gases

• Transition metals

• Group 2 elements

• Group 1 elements

What ion in sodium nitrate contributes to its solubility according to the solubility rules?

• Chloride ion

• Sulfate ion

• Nitrate ion

• Carbonate ion

What does the 'S' indicate on a solubility chart?

• Solid

• Insoluble

• Soluble

• Slightly soluble

Where would you find sodium on a solubility chart?

• In the middle of the chart

• Not on the chart

• Among the negative ions

• Among the positive ions

What happens to sodium nitrate when it dissolves in water?

• It evaporates

• It dissociates into ions

• It remains as a solid

• It forms a precipitate

What are the ions formed when sodium nitrate dissociates in water?

• Na+ and Cl-

• Na+ and NO3-

• Na2+ and NO3-

• Na- and NO3+

What is a simple method to test the solubility of sodium nitrate?

• Put it in water and observe

• Freeze it

• Mix it with oil

• Heat it in a pan

What would you expect to happen if sodium nitrate is placed in water?

• It will sink

• It will dissolve

• It will change color

• It will float