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Chapter 7: Problem 51

Describe the solution, solvent, and solute.

Short Answer

Expert verified
A solution is a homogeneous mixture; the solvent is the component in the largest amount, and the solute is the dissolved substance.

Step by step solution

01

Define Solution

A solution is a homogeneous mixture composed of two or more substances. In a solution, the solute is dissolved in the solvent, resulting in a uniform composition throughout the mixture. An example could be saltwater, where salt is dissolved in water, creating a single-phase system that looks the same throughout.
02

Identify Solvent

The solvent is the component in a solution that is present in the greatest amount. It is the substance in which the solute is dissolved. In the case of saltwater, water serves as the solvent because it is the liquid in which the salt, a solid, is dissolved.
03

Identify Solute

The solute is the substance that is dissolved in the solvent. It is present in a lesser amount compared to the solvent. For a saltwater solution, the solute would be the salt because it is dispersed and dissolved in the water.

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Key Concepts

These are the key concepts you need to understand to accurately answer the question.

Solute
A solute is a substance that gets dissolved within a solution, contributing to the mixture but typically present in a smaller amount than the solvent. When you add a spoonful of salt to a glass of water, this salt becomes the solute.
There are different types of solutes:
  • Solid solutes, such as sugar or salt, dissolve in liquids.
  • Gaseous solutes, for example, carbon dioxide in soda, add fizz and flavor.
  • Liquid solutes can also mix in solvents, like vinegar in water.
The solute鈥檚 particles spread out uniformly, interacting with the solvent molecules. This uniform distribution is essential for forming a true solution. Understanding the characteristics of solutes enables better comprehension of various chemical mixtures and reactions.
Solvent
The solvent is a crucial player in forming solutions, as it is the medium in which the solute dissolves. Usually, the solvent is the component that is present in the largest proportion in a solution.
Water is known as the "universal solvent" because it can dissolve a wide range of substances, making it incredibly important in both chemistry and biology. Different solvents are chosen based on their ability to dissolve particular solutes effectively:
  • Polar solvents, like water, excel at dissolving ionic compounds and polar solutes.
  • Non-polar solvents, such as hexane, are useful for dissolving non-polar substances.
Choosing the right solvent ensures proper dissolution and functionality of solutions, influencing countless processes in everyday life and nature.
Homogeneous Mixture
A homogeneous mixture, like a solution, is characterized by its uniform and even composition. No matter where you sample it, each part is identical. This results from the even distribution of solute particles within the solvent, making it impossible to distinguish individual components with the naked eye.
In homogeneous mixtures:
  • Components are uniformly distributed, providing consistency in properties throughout.
  • No visible boundaries between substances exist.
  • They appear as a single phase, such as liquid, gas, or solid.
Homogeneous mixtures are integral to various industries, including beverages, pharmaceuticals, and cosmetic formulations, allowing for predictable and stable qualities.

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Most popular questions from this chapter

List two phase changes that release energy.

A sample of nitrogen is at \(45^{\circ} \mathrm{C}\) with a volume of \(2.5 \mathrm{~L}\). What is the final temperature in \({ }^{\circ} \mathrm{C}\) if the volume is compressed to \(1.4\) L? Assume constant pressure and moles.

List two phase changes that consume energy.

The volume of an automobile air bag was \(66.8 \mathrm{~L}\) when inflated at \(25^{\circ} \mathrm{C}\) with \(77.8 \mathrm{~g}\) of nitrogen \(\left(\mathrm{N}_{2}\right)\) gas. What was the pressure in the bag in \(\mathrm{kPa}\) ?

Perform the indicated conversions for the following pressure measurements. a. \(1.721\) atm to \(\mathrm{mmHg}\) b. 559 torr to \(\mathrm{kPa}\) c. \(91.1 \mathrm{kPa}\) to atm d. \(2320 \mathrm{mmHg}\) to atm
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