# Between Which Two Points Did the Ammonia Solution Change From Being Unsaturated to Saturated?

Between Which Two Points Did the Ammonia Solution Change From Being Unsaturated to Saturated?

Ammonia solution, also known as ammonium hydroxide, is a common household chemical that is widely used for cleaning purposes. It is a solution of ammonia gas dissolved in water, and its concentration can vary depending on the specific application. In this article, we will explore the concept of saturation in ammonia solution and determine the points at which it transitions from being unsaturated to saturated.

Understanding Saturation in Ammonia Solution

Saturation refers to the point at which a solution can no longer dissolve any more solute, resulting in the formation of a saturated solution. In the case of ammonia solution, it means that the water has dissolved as much ammonia gas as it can at a given temperature and pressure.

The saturation point is often represented by a solubility curve, which depicts the relationship between solute concentration and temperature. For ammonia solution, the solubility curve shows that as the temperature increases, the amount of ammonia gas that can dissolve in water also increases.

Determining the Points of Transition

To identify the points at which the ammonia solution changes from being unsaturated to saturated, we need to examine the solubility curve. Let’s consider a simplified example:

At a temperature of 20°C, the solubility curve indicates that the maximum concentration of ammonia gas that can dissolve in water is 35%. Any solution with an ammonia concentration below 35% would be unsaturated, while concentrations above 35% would be saturated.

Now, as the temperature rises to 50°C, the solubility curve shows that the maximum concentration of ammonia gas that can dissolve increases to 55%. Thus, any solution below 55% concentration would be unsaturated, and concentrations above 55% would be saturated.

Therefore, between the two temperature points of 20°C and 50°C, the ammonia solution changes from being unsaturated to saturated. Specifically, the transition occurs when the ammonia concentration reaches the solubility limit at each respective temperature.

Q: Can I continue adding ammonia gas to a saturated ammonia solution?

A: No, a saturated ammonia solution has reached its maximum solubility limit. Adding more ammonia gas would result in excess gas that cannot dissolve and may escape as a gas phase.

Q: How can I increase the solubility of ammonia in water?

A: The solubility of ammonia in water can be increased by either increasing the temperature or applying pressure. However, it is important to note that ammonia is a toxic gas, so caution should be exercised when handling it.

Q: Can I use a saturated ammonia solution for cleaning?

A: Yes, saturated ammonia solutions are commonly used for cleaning purposes. However, it is essential to follow the instructions provided by the manufacturer and take necessary precautions, such as wearing protective gloves and ensuring proper ventilation.

Q: What happens if I heat a saturated ammonia solution?

A: Heating a saturated ammonia solution would cause an increase in temperature, which in turn increases the solubility of ammonia gas. As a result, more ammonia gas would dissolve, leading to an increase in concentration.

Q: Is ammonia solution the same as household ammonia?

A: Yes, ammonia solution and household ammonia are commonly used interchangeably. However, it is vital to check the concentration and specific usage instructions on the product label to ensure proper handling and application.

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In conclusion, the transition from unsaturated to saturated ammonia solution occurs between two temperature points based on the solubility curve. By understanding the concept of saturation, one can effectively utilize ammonia solutions for various cleaning purposes while adhering to safety guidelines.