Solubility and Solutions Concepts

This video tutorial by Mr. B at the Phoenix Learning Center explains how to use the solubility reference table G. It covers the concepts of molecule-ion attractions, solubility curves, and different types of solutions such as saturated, unsaturated, and supersaturated. The tutorial provides practical examples using reference table G to calculate solubility for various compounds. It concludes with additional resources for further assistance.

What is the interaction between positive and negative ions from a salt and water molecules called?

• Ionic bonding

• Covalent bonding

• Molecule-ion attractions

• Hydrogen bonding

What is a solution called when it contains the maximum amount of solute that can dissolve at a certain temperature?

• Supersaturated solution

• Saturated solution

• Unsaturated solution

• Dilute solution

In a solubility curve, where is the point for a supersaturated solution located?

• Below the saturation line

• On the saturation line

• Above the saturation line

• On the x-axis

What do the ascending lines in Reference Table G represent?

• Solvents

• Covalent compounds

• Ionic compounds

• Gases

How does the solubility of gases change with increasing temperature according to Table G?

• Remains constant

• Fluctuates

• Decreases

• Increases

How many grams of sodium nitrate will dissolve in 100 grams of water at 50°C to produce a saturated solution?

• 50 grams

• 150 grams

• 100 grams

• 115 grams

If 67 grams of ammonium chloride is dissolved at 80°C and the solution is cooled to 30°C, how many grams of precipitate will form?

• 15 grams

• 25 grams

• 45 grams

• 35 grams

What happens to the amount of salt that can dissolve when the volume of water is doubled?

• It remains the same

• It halves

• It doubles

• It triples

If 35 grams of potassium iodide dissolves in 100 mL of water at 10°C, how much will dissolve in 200 mL at the same temperature?

• 105 grams

• 70 grams

• 140 grams

• 35 grams

What is the main purpose of Reference Table G?

• To display periodic trends

• To show solubility curves

• To list chemical reactions

• To provide atomic weights