A solvent is a substance that dissolves another substance (called a solute) to form a uniform mixture known as a solution.

Quick Scoop: Core Idea

  • In chemistry, the solvent is usually the component present in the largest amount in a solution.
  • Water is the most common example and is often called the ā€œuniversal solventā€ because it can dissolve many different substances.
  • Solvents are typically liquids, but they can also be gases or even solids in some cases.

Think of sugar in water: water is the solvent, sugar is the solute, and together they make a sweet solution.

Types of solvents (mini overview)

  • Polar solvents (like water, methanol, ethanol) dissolve ionic and other polar substances well.
  • Nonā€‘polar solvents (like hexane, benzene, many hydrocarbons) dissolve oils, greases, and other nonā€‘polar materials.
  • Solvents can also be grouped as organic (carbon-based, like acetone, toluene) or inorganic (like water).

Everyday examples

  • Water in drinks, cooking, and biological systems (blood, cell fluids).
  • Acetone in nail polish remover.
  • Ethanol in hand sanitizers and perfumes.
  • Specialized industrial solvents for paints, coatings, cleaning, and pharmaceutical manufacturing.

Why solvents matter now

  • Modern industries rely heavily on solvents for cleaning, coatings, adhesives, and drug production.
  • There is ongoing push toward ā€œgreenerā€ and safer solvents because many traditional ones can be toxic, flammable, or environmentally harmful.

TL;DR: A solvent is the component (usually a liquid) that dissolves other substances to make a solution; water, ethanol, and acetone are classic examples.

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