The components of a solution are mainly of two types such as solutes and the solvent. The solvent dissolves the solutes and forms a uniform solution. Therefore, normally solvent amount is higher than the solute quantity. All the particles in a solution have the size of a molecule or an ion; we cannot see these particles from the naked eye. The solutions can have a colour if the solvent or the solutes can absorb visible light.
However, solutions are typically transparent. Solvents may occur in a liquid, gaseous or solid state. Most common solvents are liquids.
Among liquids, we consider water as a universal solvent, because it can dissolve many substances than any other solvent.
We dissolve gas, solid or any other liquid in liquid solvents. In gaseous solvents, we dissolve only gas solutes. There is a limit to the number of solutes that we may add to a certain amount of solvent. Hence, these are not stable.
Solution: Solutions are homogeneous the composition is the same throughout. Solute particles are dissolved in a solvent and are evenly dispersed. Suspension: Supensions are heterogeneous.
Particles can be visibly distinguished and particle dispersion is not even. They are comparatively very small and either of an atomic or molecular level. They cannot be seen even under a light microscope. Particles are comparatively very large and can be seen by naked eye. They can be present as coagulations. Solution: Solutes and the solvent are in the same phase. Suspension: Suspended particles can be in a different phase than the medium. Solution: Solutions are transparent.
There is no scattering of light. Suspension: Suspensions are cloudy. Light can be reflected or scattered. Solution: Examples include NaCl in water and sugar in water. Suspensions are heterogenous mixtures where the individual components of the substance can be physically observed when left to settle. Think about how many oil-based salad dressings separate into two layers in a bottle. Or how a bit of dirt in a glass of water eventually falls in a layer of silt at the bottom. These are all examples of suspensions.
Colloids are also heterogenous mixtures of particles, but the particles in colloids are significantly smaller than those found in suspensions — only 1 to 1, nanometers in diameter.
Although these particles are very tiny, they remain larger than those found in homogeneous solutions and generate a tell-tell opaque appearance when light is applied to them. Indeed, colloids are often differentiated from solutions via the Tyndall Effect , the scattering of light that occurs when a light beam encounters the particles within a heterogenous mixture.
This is why the package instructions state that you should shake it before taking it. Most people have had a glass of Kool-Aid before and since it mixes in water, it's a solution. Suspensions are heterogeneous, meaning that the components don't mix completely together and will likely separate in the near future. On the other hand, solutions are homogeneous because the components mix thoroughly together and stay mixed without separation.
Both solutions and suspensions are mixtures of two or more components and neither of them have components that are chemically bonded together. Components in both a solution and a suspension can be separated based on their physical properties of density, solubility or size. Solutions mix together thoroughly because the particles of a solid are very tiny, less than 1 nanometer, allowing the particles to disperse evenly.
Some examples include drink mixes that mix into water, usually with sugar and sodas that are a gas combined in liquid.
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