Solubility

Solubility Lesson

Multiple Choice

Solutions are composed of __________ .

• salts and solutes

• solvents and salts

• solutes and alloys

• solutes and solvents

Multiple Choice

The substance being dissolved in a solution.

• sands

• solute

• solvent

• alloy

Multiple Choice

_________________ substances can dissolve in a liquid.

• Insoluble

• Soluble

Multiple Choice

The substance being dissolved in a solution.

• sands

• solute

• solvent

• alloy

Multiple Choice

_________________ substances cannot dissolve in a liquid.

• Soluble

• Insoluble

Multiple Choice

Which is not a factor affecting solubility?

• Agitating (mixing, stirring, shaking) the mixture

• Increasing the surface area of the mixture

• Increasing the volume of the mixture

• Increasing the temperature of the mixture

Multiple Choice

The ability of two liquids to mix and form a solution:

• miscible

• solvent

• imiscible

• liquifaction

Multiple Choice

The ability of two liquids to mix and form a solution:

• miscible

• solvent

• imiscible

• liquefaction

Multiple Choice

When 42 grams of potassium chloride, is dissolved in 100 grams of water at 50 ºC, the solution can be correctly described as:

• supersaturated

• saturated

• unsaturated

Multiple Choice

When 50 grams of KCl is dissolved in 100 grams of water at 50 ºC, the solution can be correctly described as:

• supersaturated

• unsaturated

• saturated

Multiple Choice

When 20 grams of potassium chlorate, KClO₃, is dissolved in 100 grams of water at 80 ºC, the solution can be correctly described as:

• supersaturated

• saturated

• unsaturated

Multiple Choice

Which solute is the least soluble at 90 ⁰C?

• SO₂

• KClO₃

• KI

• HCl

Multiple Choice

Which solute is the most soluble at 10 ⁰C?

• KI

• KClO₃

• NH₄Cl

• NH₃

Multiple Choice

Which substance is MOST soluble at 0 ºC?

• KI

• NaNO₃

• NaCl

• Ce₂(SO₄)₃

Multiple Choice

How many grams of K₂Cr₂O₇, are soluble in 100 g of water at 90 ºC?

• 85 grams

• 70 grams

• 40 grams

• 15 grams

Multiple Choice

25 grams of NaCl are dissolved in 100 mL of water at 60 C. How many more grams need to be dissolved for the solution to be saturated?

• 13 grams

• 25 grams

• 6 grams

• 38 grams

Multiple Choice

At approximately what temperature does the solubility of sodium chloride, NaCl, match the solubility of potassium dichromate, K₂Cr₂O₇?

• 60 ºC

• 30 ºC

• 50 ºC

• 83 ºC

Multiple Choice

At approximately what temperature does the solubility of sodium chloride, NaCl, match the solubility of potassium dichromate, K₂Cr₂O₇?

• 60 ºC

• 30 ºC

• 50 ºC

• 83 ºC