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There can only be one solvent in a solution, but there can be many solutes. Soda pop is a good example - the solvent is water and the solutes include carbon dioxide, sugar, flavorings, caramel color etc.
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|Component 1||Component 2||Solution||Examples|
|Solid||Solid||Solid||Brass (a mixture of ~70% copper and ~30% zinc), "silver" dental fillings (a solid 8:1 mixture of tin and mercury)|
|Solid||Liquid||Liquid||Sugar dissolved in water, salt water.|
|Solid||Gas||Solid||Hydrogen gas adsorbed to palladium metal|
|Liquid||Gas||Liquid||Carbon dioxide dissolved in water (soda water)|
|Liquid||Liquid||Liquid||Alcohol in water, antifreeze (ethylene glycol in water), gasoline (a complex mixture of hydrocarbons)|
|Gas||Gas||Gas||Air, natural gas (mostly methane and ethane), synthesis gas (a mixture of hydrogen and carbon monoxide).|
A solution that has some solid present is not a solution, but a heterogeneous mixture.
Solutions fall into three general classes:
That last item sounds suspicious - how can something hold more material than it can hold? This is best illustrated by example:|
See also: Concentration units, mole, solubility, solvent, vapor.
Additional definitions from Google and OneLook.
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