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IPS Chapter 4 Solubility Definitions Mixture A physical combination of elements and/or compounds. Components keep their identity Definitions – Homogeneous- Consistent composition within the sample (Solution) Coke, Gatorade, air – Heterogeneous- Different composition within same sample Blood, pizza, rocks Parts of a Solution Solute – Part which is dissolved- usually solid Solvent – Part in which solute is dissolved- usually liquid Precipitate – Undissolved solid How much is dissolved? Saturated – No more solute can be dissolved Unsaturated – More can be dissolved Supersaturated – More solute is added than can be dissolvedPrecipitate forms Concentration How much solute is dissolved in a solvent Expressed in g/cm3 How does this differ from density since density uses the same unit? Density refers to one substance, while concentration refers to two. Divide mass of solute by volume of solvent to determine concentration Solubility The maximum amount of solute that can be dissolved in a solvent. The concentration of a saturated solution Expressed in g/100cm3 Multiply concentration by 100 Is a Characteristic property of the solute in that solvent. Dependent on temperature Other definitions Soluble – Can be dissolved Insoluble Mixtures of gases and liquids Miscible – Can be mixed – Cannot be dissolved Immiscible – Cannot be mixed