Which method below will not speed up the rate of salt dissolving in water?

Decreasing the temperature of the solvent

Increasing the surface area of the solute

Stirring the solute into the solvent

Heating the solvent before adding the solute

15 g of sugar cubes are dissolved in 120 g of water at 20o C. What could be done to increase the rate of dissolution?

Add an electrolyte to the water

Which statement best describes a supersaturated solution? A solution which -

contains more solute than is normally possible.

has equal amounts of solute and solvent.

could possibly dissolve more solute.

has dissolved the maximum amount of solute.

In order for a solution to be an electrolyte, the solute must

consist of positive and negative ions.

restrict the flow of electricity

Which of the following will dissolve at the fastest rate?

15 g of granulated sugar in 120 g of water at 60o C.

15 g of sugar cubes in 120 g of water at 60o C.

15 g of sugar cubes in 120 g of water at 20o C.

15 g of granulated sugar in 120 g of water at 20o C.

Factors Affecting Solubility

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1/7 Questions

Which method below will not speed up the rate of salt dissolving in water?
- Increasing the surface area of the solute
- Decreasing the temperature of the solvent
- Stirring the solute into the solvent
- Heating the solvent before adding the solute

About This Quiz

Matter exists in three states and thus there are various factors that affect solubility, which this test seeks to explore. Discover what these factors are as you learn along by taking up the quiz below. All the best and enjoy.

2.

15 g of sugar cubes are dissolved in 120 g of water at 20^o C. What could be done to increase the rate of dissolution?
- Use larger sugar cubes
- Stir the mixture
- Cool down the water
- Add an electrolyte to the water
Correct Answer

A. Stir the mixture

Explanation

Stirring the mixture can increase the rate of dissolution because it helps to increase the contact between the sugar cubes and water. When the mixture is stirred, it creates turbulence in the liquid, causing the sugar cubes to break down and mix with the water more quickly. This allows the sugar molecules to spread out and interact with the water molecules, leading to a faster dissolution process.

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1
3.

Which statement best describes a supersaturated solution? A solution which -
- Contains more solute than is normally possible.
- Has equal amounts of solute and solvent.
- Could possibly dissolve more solute.
- Has dissolved the maximum amount of solute.
Correct Answer

A. Contains more solute than is normally possible.

Explanation

A supersaturated solution is a solution that contains more solute than is normally possible at a given temperature and pressure. This means that the solution is holding more solute than it should be able to dissolve, creating an unstable condition.

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1
4.

In order for a solution to be an electrolyte, the solute must
- Be a molecular compound.
- Restrict the flow of electricity
- Create a saturated solution.
- Consist of positive and negative ions.
Correct Answer

A. Consist of positive and negative ions.

Explanation

An electrolyte is a substance that conducts electricity when dissolved in a solvent. This is because it consists of positive and negative ions that are free to move and carry electric charge. A molecular compound, on the other hand, consists of neutral molecules held together by covalent bonds and does not dissociate into ions in solution. Therefore, for a solution to be an electrolyte, it must consist of positive and negative ions.

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2
5.

Which of the following will dissolve at the fastest rate?
- 15 g of sugar cubes in 120 g of water at 60o C.
- 15 g of sugar cubes in 120 g of water at 20o C.
- 15 g of granulated sugar in 120 g of water at 60o C.
- 15 g of granulated sugar in 120 g of water at 20o C.
Correct Answer

A. 15 g of granulated sugar in 120 g of water at 60o C.

Explanation

Granulated sugar dissolves faster than sugar cubes because it has a larger surface area exposed to the water. Additionally, at higher temperatures, the kinetic energy of the water molecules increases, leading to faster dissolution. Therefore, 15 g of granulated sugar in 120 g of water at 60o C will dissolve at the fastest rate.

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6.

At what temperature would carbon dioxide gas, CO₂(g), be most soluble in 100 g of water?
- 10 degrees C
- 25 degrees C
- 80 degrees C
- 100 degrees C
Correct Answer

A. 10 degrees C

Explanation

Carbon dioxide gas is most soluble in water at lower temperatures. As the temperature decreases, the solubility of gases in water generally increases. Therefore, at 10 degrees C, carbon dioxide gas would be most soluble in 100 g of water.

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1
7.

The graph below illustrates the solubility of potassium chloride in water at a variety of temperatures. At what temperature does 30 g of KCl dissolved in 100 g of water create a saturated solution?
- 10 degrees C
- 20 degrees C
- 30 degrees C
- 40 degrees C
Correct Answer

A. 10 degrees C

Explanation

According to the graph, at 10 degrees C, the solubility of potassium chloride in water is approximately 30 g/100 g of water. This means that at this temperature, 30 g of KCl can dissolve in 100 g of water, creating a saturated solution.

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1

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Current Version
Mar 21, 2023

Quiz Edited by
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Apr 03, 2014

Quiz Created by
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Factors Affecting Solubility

Which method below will not speed up the rate of salt dissolving in water?

Quiz Preview

15 g of sugar cubes are dissolved in 120 g of water at 20o C. What could be done to increase the rate of dissolution?

Which statement best describes a supersaturated solution? A solution which -

In order for a solution to be an electrolyte, the solute must

Which of the following will dissolve at the fastest rate?

At what temperature would carbon dioxide gas, CO2(g), be most soluble in 100 g of water?

The graph below illustrates the solubility of potassium chloride in water at a variety of temperatures. At what temperature does 30 g of KCl dissolved in 100 g of water create a saturated solution?

15 g of sugar cubes are dissolved in 120 g of water at 20^o C. What could be done to increase the rate of dissolution?

At what temperature would carbon dioxide gas, CO₂(g), be most soluble in 100 g of water?