Understanding Solutions and Solubility

What property of water allows it to dissolve many ionic compounds?

• Nonpolarity

• Polarity

• High density

• Low boiling point

Tags

TX.112.43.C.11.A.

Which term describes a solution that contains more dissolved solute than it would normally hold at that temperature?

• Unsaturated

• Saturated

• Supersaturated

• Dilute

Tags

TX.112.43.C.11.B.

What happens to the solubility of most solid solutes as temperature increases?

• It decreases

• It stays the same

• It increases

• It becomes zero

Tags

TX.112.43.C.11.C.

What is the unit for expressing the concentration of a solution in terms of molarity?

• grams per liter

• moles per liter

• liters per mole

• grams per mole

Tags

TX.112.43.C.11.E.

Which of the following is required to calculate the dilution of a solution using molarity?

• Initial and final temperatures

• Initial and final volumes and molarities

• Mass of solute only

• Pressure of the solution

Tags

TX.112.43.C.11.F.

Explain why water is considered a universal solvent in terms of its molecular structure.

• Because it is nonpolar and can dissolve all substances

• Because it is polar and can dissolve many ionic and polar substances

• Because it is a gas at room temperature

• Because it has a high melting point

Tags

TX.112.43.C.11.A.

A student mixes salt in water and observes that the solution conducts electricity. What type of solution is this?

• Nonelectrolyte

• Electrolyte

• Supersaturated

• Unsaturated

Tags

TX.112.43.C.11.B.

Given a solubility curve, how would you determine if a solution is saturated, unsaturated, or supersaturated at a specific temperature?

• By comparing the amount of solute dissolved to the value on the curve at that temperature

• By measuring the color of the solution

• By checking the boiling point

• By measuring the pH

Tags

TX.112.43.C.11.C.

Calculate the molarity of a solution prepared by dissolving 10 grams of NaCl (molar mass = 58.44 g/mol) in enough water to make 0.5 liters of solution.

• 0.17 M

• 0.34 M

• 0.29 M

• 0.85 M

Tags

TX.112.43.C.11.E.

If you dilute 100 mL of a 2.0 M solution to a final volume of 500 mL, what is the new molarity?

• 0.2 M

• 0.4 M

• 0.5 M

• 1.0 M

Tags

TX.112.43.C.11.F.