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Solutions and Solubility

Solutions and Solubility. Essential Question. How and why does something dissolve?. Solutions. solution : a homogeneous mixture of a solute dissolved in a solvent solvent : the part of a solution doing the dissolving (often the liquid), in excess

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Solutions and Solubility

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  1. Solutions and Solubility

  2. Essential Question How and why does something dissolve?

  3. Solutions solution: a homogeneous mixture of a solute dissolved in a solvent solvent: the part of a solution doing the dissolving (often the liquid), in excess solute: a substance being dissolved in a solvent, does not settle to bottom

  4. SOLUTE SOLUTION SOLVENT SOLUTION Draw This!

  5. Soluble: a substance that is able to be dissolved Insoluble: a substance that is not able to be dissolved Draw a Picture!!

  6. Process of dissolving Water is a “polar” molecule: It has a negative end and a positive end. Most soluble compounds are ionic: they are made of positive ions and negative ions. Let’s see what happens between these particles! http://www.mhhe.com/physsci/chemistry/essentialchemistry/flash/molvie1.swf

  7. Process of dissolving Polar water molecules pull ions away from the solute crystals and surround them Draw it!

  8. Saturated: a solution with the maximum amount of dissolved solute • Unsaturated: a solution with less than the maximum amount of dissolved solute • Supersaturated: a solution with more than the maximum amount of dissolved solute at a given temperature • Requires an increase then decrease of temperature

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