Quiz on Solubility

A solution is ...

• Heterogeneous mixture

• Homogeneous mixture

• Made of one substance

• Made of two or more substance

• Contains a solvent and one more solutes

A solution is considered dilute if ....

• If the solute concentration is the same as the solvent concentration

• It has a high concentration of dissolved solute compared to the solvent

• It has a low concentration of dissolved solute compared to the solvent

• If the solute does not dissolve in the solvent

At standard temperature, a calcium chloride solution with a concentration of 90 grams per 100 grams water is considered ...

• Unsaturated

• Saturated

• Supersaturated

100 grams of water is equal to ....

• 100 millilitres of water

• 0.1 liters of water

• 1000 liters of water

• 1 liter of water

How can I make a saturated solution containing 35 grams NaCl in 100 grams or water, into an unsaturated solution?

• Add more NaCl

• Increase the temperature of the solution

• Decrease the temperature of the solution

• Stir the solution

• Add more water

What is the solubility of Potassium Chloride in 100 millilitres of water at 52 degrees Celsius?

• 40 grams KCl

• 45 grams KNO₃

• 43 grams KCl

• 37 grams of KCl

Which would NOT increase the rate at which a sugar cube dissolves?

• Reducing the amount of solvent

• Crushing the sugar cube

• Stirring the solution

• Heating the solvent

Which would NOT increase the rate at which a sugar cube dissolves?

• Reducing the amount of solvent

• Crushing the sugar cube

• Stirring the solution

• Heating the solvent

A solution that contains all of the solute it can hold at a given temperature is

• diluted.

• saturated.

• supersaturated.

• unsaturated.

A student pours mineral salts into a bottle of cold water. Which of the following best explains why shaking the bottle will affect the dissolving rate of the salt?

• Shaking exposes the salts to the solvent more quickly.

• Shaking helps more water evaporate.

• Shaking equalizes the water temperature.

• Shaking causes more ions to precipitate out of solution.