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Solutions

Solutions. Heterogeneous Mixtures. A suspension is a mixture that separates upon standing (oil & vinegar). A colloid is a type of suspension where the particles are suspended indefinitely (latex paint).

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Solutions

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  1. Solutions

  2. Heterogeneous Mixtures • A suspension is a mixture that separates upon standing (oil & vinegar). • A colloid is a type of suspension where the particles are suspended indefinitely (latex paint). • An emulsion is a type of colloid where the liquids spread through out each other (mayonnaise).

  3. Tyndall Effect • The scattering of light in a colloid.

  4. Homogeneous Mixture • Solutions are mixtures where parts are mixed uniformly. • Parts of a solution: • A solute is the part of the solution that is being dissolved (sugar). • A solvent is the part of the solution that is doing the dissolving (water).

  5. Dissolving • Polar compound have distinct positive and negative charges. • Soluble in water. • Non-polar compounds do not have the positive and negative charges. • Insoluble in water.

  6. Solubility • Solubility is ability of a solute to dissolve in a solvent. • Concentration is the quantity of solute dissolved in a given volume of solution. • Unsaturated solution contains less than the maximum amount of solute that will dissolve in the solvent under the same conditions.

  7. Solubiltiy (continue) • A saturated solution can dissolve no more solute. • Supersaturated solution holds more solute than it normally can.

  8. Concentration of Solutions. • Molarity= moles of solute/liters of solution • M=mol/L

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