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SCAN0021 - The Properties of Mixtures Solutions and...

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Unformatted text preview: The Properties of Mixtures: Solutions and Colloids Chapter 13 13.1 Intermolecular Forces and Solubility A solution is a homogeneous mixture of two or more substances in a single phase. The component present in the larger amount is the solvent and the component(s) in the small amount(s) is (are) the solute(s). Most common solvents are liquids but gases and solids can also be solvents. When a solute is added to a pure solvent, the solution produced has different properties compared to the pure solvent. These properties are called Colligative properties and are only dependent on the number of solute particles per solvent molecule and not on the identity of the solute. The solubility (S) of a solute is the maximum amount that dissolves in a fixed quantity of a particular solvent at a. specific temperature given that excess solute is present. Different solutes have different solubilities. Thus, your solubility rules are being challenged. For example NaCl is soluble but only up to 39.12 g/ 100 mL in water at 100°C. For example, you know that AgCl is insoluble but in fact there is some solubility to it — 0.0021 g/ 100 mL water at 100°C. Note the differences in the amounts. Liquid — Liquid ~ based on intermolecular forces \/ ...
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