Volume percentage

Definition

Volume percentage is a way to express the concentration of a component in a mixture, defined as the volume of the solute divided by the total volume of the solution, multiplied by 100%. It is commonly used for solutions where both solute and solvent are liquids.

5 Must Know Facts For Your Next Test

1. Volume percentage is calculated using the formula: $\text{Volume Percentage} = \left( \frac{\text{Volume of Solute}}{\text{Total Volume of Solution}} \right) \times 100\%$.
2. It is particularly useful when dealing with liquid-liquid solutions.
3. Volume percentage can exceed 100% if the volumes are not additive.
4. Changes in temperature can affect volume measurements, thereby affecting volume percentage.
5. Unlike mass percentage, volume percentage does not account for density differences between solute and solvent.

Review Questions

Related terms

Mass Percentage:

A concentration unit expressed as the mass of solite divided by total mass of solution, multiplied by 100%.

Molarity:

$\text{Molarity (M)}$ is the number of moles of solute per liter of solution.

Molality:

$\text{Molality (m)}$ is the number of moles of solute per kilogram of solvent.