what is solution in science

In science, a solution is a homogeneous mixture of two or more substances in relative amounts that can be varied continuously up to what is called the limit of solubility. The term solution is commonly applied to the liquid state of matter, but solutions of gases and solids are also possible. A solution consists of a solute and a solvent, where the solute is the substance that is dissolved in the solvent. The solvent is the substance in which a solute dissolves to produce a homogeneous mixture. The larger amount in a solution is called the solvent, and substances in lesser amounts are solutes. Solutions can exist in any phase of matter, and the proportions of substances in a solution can vary up to the limit of solubility. A hallmark characteristic of a solution is that any sample will be virtually identical to any other sample because the substances are so thoroughly mixed.