Percent By Volume Formula

Percent By Volume Formula

A homogeneous mixture of one or more solutes in a solvent is called a solution. In a solution, the solute is present in a smaller amount than the solvent. The concentration of a solution depends on the amount of solute that gets dissolved in the solvent. In chemistry, a solute is a substance that has been dissolved in a solvent or the component of a chemical solution that is present in the smallest amount. Solvation is the process of combining a solute and a solvent to dissolve the solute. The amount of solute in a solvent or solution is referred to as its concentration.

A solvent is a substance that can dissolve an insoluble solute and create a solution. Solvents are typically liquids, but they can also be solids, gases, or supercritical fluids. The amount of solute that dissolves in a given volume of solvent changes depending on the temperature. Dry cleaning, paint thinners, nail polish removers, glue solvents, spot removers, detergents, and perfumes are a few applications for solvents. Polar molecules can float in water. The most popular solvent is water because it can almost completely dissolve all solutes. Proteins and ions found inside a living cell dissolve in water as well. For chemical synthesis and purification processes, solvents are used in a variety of ways in the chemical, pharmaceutical, oil, and gas industries.

The volume of solute present in a specified volume of solution is determined by the percent by volume formula. It is used to volumetrically express a solute’s concentration. It determines a solute’s volume percentage within the solution. By combining the volumes of the solvent and the solute, the volume of the solution is calculated. The percentage is the unit used to measure percent by volume. The volume of the solute has a direct correlation with its value. This indicates that as the volume of the solute changes, its percentage value does as well, and vice versa. The Percent By Volume Formula is given as P = (v/V) x 100. The Percent By Volume Formula is used to express the concentration of a solution. 

The ratio of a solute’s volume to the volume of the solution, multiplied by 100, is the “Percent By Volume Formula.” When a solute is dissolved in a solvent, a solution is created. The percent by volume method calculates the concentration of the solute and solvent by adding their individual volumes to the volume of the solution. The value of percent by volume is never greater than 100% because a solute’s or solvent’s volume cannot be greater than the volume of its solution. It offers the volume ratio, so it is a quantity without units. In chemistry, this formula is very common. It is used to express the concentration of solutes in solution and is equivalent to molar concentration. The pharmaceutical industry frequently uses percentages by volume to express the concentration of various components in solutions.

The percent by mass, or the mass of the solute dissolved in 100 g of solution, or the percent mass/volume, or the mass of the solute dissolved in 100 mL of solution, are closely related to the percent by volume.

Sample Problems

It is important for students to solve problems based on Percent By Volume Formula. It is necessary to keep in mind that volume percent refers to solution volume rather than solvent volume. Wine, for instance, contains about 12% v/v ethanol. Accordingly, 12 ml of ethanol are present in every 100 ml of wine. It is crucial to understand that the volumes of liquid and gas are not always equal. Less than 112 ml of the solution will result from mixing 12 ml of ethanol with 100 ml of wine. 

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FAQs (Frequently Asked Questions)

1. What is the Percent By Volume Formula?

The Percent By Volume Formula is given by the ratio between the volume of a solute and the volume of solution and the whole is multiplied by 100. It is necessary for students to practice questions related to Percent By Volume Formula. 

2. Where can students get appropriate solutions to questions about the Percent By Volume Formula?

The Extramarks learning platform has accurate solutions to questions related to the Percent By Volume Formula. All the solutions are given in an easy-to-understand manner. The NCERT solutions for all the chapters in Chemistry are also accessible on the Extramarks website and mobile application.