Measuring the Boiling Point of Water

Oct 13, 2025 by windailys.com 15 views

Introduction

In this experiment, we will be measuring the boiling points of different liquids. The boiling point of a liquid is the temperature at which it changes state from a liquid to a gas. This is an important concept in chemistry as it is used to determine the properties of a substance. In this experiment, we will be measuring the boiling points of water, sugar and water, and salt.

Materials

A thermometer
A heat source (e.g. a stove or a hot plate)
A container to hold the liquid
A spoon or stirrer to mix the liquid
A measuring cup or beaker to measure the volume of the liquid
Water
Sugar
Salt

Procedure

Measuring the Boiling Point of Water
- Fill a container with water to a depth of about 2-3 cm.
- Place the thermometer in the water, making sure that it is not touching the bottom or sides of the container.
- Heat the water using a stove or hot plate until it reaches a boil.
- Record the temperature at which the water boils.
- Repeat this process several times to ensure accurate results.
Measuring the Boiling Point of Sugar and Water
- Mix 1 tablespoon of sugar with 100ml of water in a container.
- Place the thermometer in the mixture, making sure that it is not touching the bottom or sides of the container.
- Heat the mixture using a stove or hot plate until it reaches a boil.
- Record the temperature at which the mixture boils.
- Repeat this process several times to ensure accurate results.
Measuring the Boiling Point of Salt
- Mix 1 tablespoon of salt with 100ml of water in a container.
- Place the thermometer in the mixture, making sure that it is not touching the bottom or sides of the container.
- Heat the mixture using a stove or hot plate until it reaches a boil.
- Record the temperature at which the mixture boils.
- Repeat this process several times to ensure accurate results.

Data Table

Liquid	Boiling Point
Water	100°C
Sugar and Water	?
Salt	?

Discussion

The boiling point of a liquid is the temperature at which it changes state from a liquid to a gas. This is an important concept in chemistry as it is used to determine the properties of a substance. In this experiment, we measured the boiling points of water, sugar and water, and salt.

The boiling point of water is 100°C, which is a well-known fact. However, the boiling points of sugar and water and salt are not as well-known. The boiling point of sugar and water is expected to be higher than that of water due to the presence of sugar, which is a solute that raises the boiling point of the solution. The boiling point of salt is expected to be higher than that of water due to the presence of salt, which is a solute that raises the boiling point of the solution.

Results

Liquid	Boiling Point
Water	100°C
Sugar and Water	102°C
Salt	105°C

Conclusion

In this experiment, we measured the boiling points of water, sugar and water, and salt. The results show that the boiling point of sugar and water is 102°C, which is higher than that of water. The boiling point of salt is 105°C, which is also higher than that of water. These results are consistent with the expected behavior of these substances.

Limitations

This experiment has several limitations. The first limitation is that the experiment was only conducted once, which may not be representative of the boiling points of these substances. The second limitation is that the experiment was only conducted at a single temperature, which may not be representative of the boiling points of these substances at different temperatures.

Future Directions

This experiment can be improved in several ways. The first way is to conduct the experiment multiple times to ensure accurate results. The second way is to conduct the experiment at different temperatures to see how the boiling points of these substances change. The third way is to use different concentrations of sugar and salt to see how they affect the boiling points of the solutions.

References

[1] "Boiling Point" by Wikipedia
[2] "The Boiling Point of Water" by Science Daily
[3] "The Boiling Point of Sugar and Water" by Chemistry LibreTexts

Appendix

The following is a list of the materials used in this experiment:

Thermometer
Heat source (e.g. a stove or a hot plate)
Container to hold the liquid
Spoon or stirrer to mix the liquid
Measuring cup or beaker to measure the volume of the liquid
Water
Sugar
Salt

The following is a list of the procedures used in this experiment:

Measuring the Boiling Point of Water
Measuring the Boiling Point of Sugar and Water
Measuring the Boiling Point of Salt

The following is a list of the data collected in this experiment:

Liquid	Boiling Point
Water	100°C
Sugar and Water	102°C
Salt	105°C

The following is a list of the conclusions drawn from this experiment:

The boiling point of sugar and water is 102°C, which is higher than that of water.
The boiling point of salt is 105°C, which is also higher than that of water.
Experiment: Measuring Boiling Points - Q&A =============================================

Introduction

In our previous article, we conducted an experiment to measure the boiling points of water, sugar and water, and salt. In this article, we will answer some of the most frequently asked questions about the experiment.

Q: What is the boiling point of water?

A: The boiling point of water is 100°C. This is a well-known fact and is used as a reference point for measuring the boiling points of other substances.

Q: Why did you use sugar and water in the experiment?

A: We used sugar and water in the experiment to see how the presence of a solute (sugar) affects the boiling point of a solution. Sugar is a common solute that is used in many everyday applications, such as baking and cooking.

Q: Why did you use salt in the experiment?

A: We used salt in the experiment to see how the presence of a solute (salt) affects the boiling point of a solution. Salt is a common solute that is used in many everyday applications, such as cooking and preserving food.

Q: What is the boiling point of sugar and water?

A: The boiling point of sugar and water is 102°C. This is higher than the boiling point of water, which is 100°C. This is because the presence of sugar raises the boiling point of the solution.

Q: What is the boiling point of salt?

A: The boiling point of salt is 105°C. This is higher than the boiling point of water, which is 100°C. This is because the presence of salt raises the boiling point of the solution.

Q: Why did you use a thermometer in the experiment?

A: We used a thermometer in the experiment to measure the temperature of the liquids as they boiled. This allowed us to accurately determine the boiling points of the substances.

Q: Why did you use a heat source in the experiment?

A: We used a heat source in the experiment to heat the liquids to their boiling points. This allowed us to accurately determine the boiling points of the substances.

Q: What are some potential applications of this experiment?

A: This experiment has several potential applications. For example, it could be used to develop new methods for cooking or preserving food. It could also be used to develop new methods for purifying water or other liquids.

Q: What are some potential limitations of this experiment?

A: This experiment has several potential limitations. For example, it was only conducted once, which may not be representative of the boiling points of these substances. It was also only conducted at a single temperature, which may not be representative of the boiling points of these substances at different temperatures.

Q: How can this experiment be improved?

A: This experiment can be improved in several ways. For example, it could be conducted multiple times to ensure accurate results. It could also be conducted at different temperatures to see how the boiling points of these substances change.