Solubility Solubility of Solids l Solubility Maximum amount
![Solubility Solubility](https://slidetodoc.com/presentation_image_h2/5e0fc80d07aaed4a69605ef2e9f15e5a/image-1.jpg)
Solubility
![Solubility of Solids l Solubility – – Maximum amount of solid that is in Solubility of Solids l Solubility – – Maximum amount of solid that is in](http://slidetodoc.com/presentation_image_h2/5e0fc80d07aaed4a69605ef2e9f15e5a/image-2.jpg)
Solubility of Solids l Solubility – – Maximum amount of solid that is in a quantity of water (usually 100 g) at a certain temperature. Determined by l l l The size of the solute crystal Time and amount of stirring Temperature
![Solubility of Solids l Affected by the solute-solute and solutesolvent attraction – – l Solubility of Solids l Affected by the solute-solute and solutesolvent attraction – – l](http://slidetodoc.com/presentation_image_h2/5e0fc80d07aaed4a69605ef2e9f15e5a/image-3.jpg)
Solubility of Solids l Affected by the solute-solute and solutesolvent attraction – – l Solute = the substance being dissolved Solvent = the substance that does the dissolving LIKE DISSOLVES LIKE
![Polarity l Polar molecules are attracted to other polar molecules and to electrically charged Polarity l Polar molecules are attracted to other polar molecules and to electrically charged](http://slidetodoc.com/presentation_image_h2/5e0fc80d07aaed4a69605ef2e9f15e5a/image-4.jpg)
Polarity l Polar molecules are attracted to other polar molecules and to electrically charged particles. l Non-polar substance are attracted to other nonpolar substances l Polar and non-polar DO NOT dissolve in each other
![Polarity l Water is considered a polar molecule. – – Polar Molecule: a molecule Polarity l Water is considered a polar molecule. – – Polar Molecule: a molecule](http://slidetodoc.com/presentation_image_h2/5e0fc80d07aaed4a69605ef2e9f15e5a/image-5.jpg)
Polarity l Water is considered a polar molecule. – – Polar Molecule: a molecule that has an uneven distribution of charge. There is a positive region and a negative region.
![Polarity • Oxygen end has a higher concentration of electrons compared to the hydrogen Polarity • Oxygen end has a higher concentration of electrons compared to the hydrogen](http://slidetodoc.com/presentation_image_h2/5e0fc80d07aaed4a69605ef2e9f15e5a/image-6.jpg)
Polarity • Oxygen end has a higher concentration of electrons compared to the hydrogen end. (δ-) O H H • Hydrogen is slightly more electrically positive (δ+).
![Polarity l Ionic Compounds – l are crystalline or crystal like Crystals are held Polarity l Ionic Compounds – l are crystalline or crystal like Crystals are held](http://slidetodoc.com/presentation_image_h2/5e0fc80d07aaed4a69605ef2e9f15e5a/image-7.jpg)
Polarity l Ionic Compounds – l are crystalline or crystal like Crystals are held together by the unlike charges (+ and –) that attract.
![Polarity Polarity](http://slidetodoc.com/presentation_image_h2/5e0fc80d07aaed4a69605ef2e9f15e5a/image-8.jpg)
Polarity
![Dissolving Salt l Dissolving Salt Dissolving Salt l Dissolving Salt](http://slidetodoc.com/presentation_image_h2/5e0fc80d07aaed4a69605ef2e9f15e5a/image-9.jpg)
Dissolving Salt l Dissolving Salt
![Solubility Curve l Solubility: – Units: grams 100 g H 2 O or grams. Solubility Curve l Solubility: – Units: grams 100 g H 2 O or grams.](http://slidetodoc.com/presentation_image_h2/5e0fc80d07aaed4a69605ef2e9f15e5a/image-10.jpg)
Solubility Curve l Solubility: – Units: grams 100 g H 2 O or grams. 100 m. L H 2 O
![Solubility Curve l Characteristic of substance: – l Each substance has a different maximum Solubility Curve l Characteristic of substance: – l Each substance has a different maximum](http://slidetodoc.com/presentation_image_h2/5e0fc80d07aaed4a69605ef2e9f15e5a/image-11.jpg)
Solubility Curve l Characteristic of substance: – l Each substance has a different maximum amount that will dissolve. Solubility Curve – Shows a solution in which the solvent contains as much solute as possible at a certain temperature.
![Solubility Curve Solubility Curve](http://slidetodoc.com/presentation_image_h2/5e0fc80d07aaed4a69605ef2e9f15e5a/image-12.jpg)
Solubility Curve
![Solubility Curves l Line of Saturation: – The point when the solution is saturated Solubility Curves l Line of Saturation: – The point when the solution is saturated](http://slidetodoc.com/presentation_image_h2/5e0fc80d07aaed4a69605ef2e9f15e5a/image-13.jpg)
Solubility Curves l Line of Saturation: – The point when the solution is saturated
![Solubility Curves l Unsaturated Solution: – – Contains less dissolved solute than the solvent Solubility Curves l Unsaturated Solution: – – Contains less dissolved solute than the solvent](http://slidetodoc.com/presentation_image_h2/5e0fc80d07aaed4a69605ef2e9f15e5a/image-14.jpg)
Solubility Curves l Unsaturated Solution: – – Contains less dissolved solute than the solvent can normally hold at that temperature. Anywhere below the line of saturation
![Solubility Curves l Super Saturated Solution: – – Solution that contains more solute than Solubility Curves l Super Saturated Solution: – – Solution that contains more solute than](http://slidetodoc.com/presentation_image_h2/5e0fc80d07aaed4a69605ef2e9f15e5a/image-15.jpg)
Solubility Curves l Super Saturated Solution: – – Solution that contains more solute than can usually be dissolved at that temperature Anywhere above the line of saturation
![Solubility Curves l Sample Problem 1: At 45°C, how much potassium nitrate will dissolve Solubility Curves l Sample Problem 1: At 45°C, how much potassium nitrate will dissolve](http://slidetodoc.com/presentation_image_h2/5e0fc80d07aaed4a69605ef2e9f15e5a/image-16.jpg)
Solubility Curves l Sample Problem 1: At 45°C, how much potassium nitrate will dissolve in 100 g of water to form a saturated solution? Answer: 73 g
![Solubility Curves l Sample Problem 2: If at 60°C you put 80 g of Solubility Curves l Sample Problem 2: If at 60°C you put 80 g of](http://slidetodoc.com/presentation_image_h2/5e0fc80d07aaed4a69605ef2e9f15e5a/image-17.jpg)
Solubility Curves l Sample Problem 2: If at 60°C you put 80 g of potassium nitrate in 100 g of water, what is the level of saturation for this solution? Answer: Unsaturated
![Solubility Curves l Sample Problem 3: How much sodium chloride is needed for a Solubility Curves l Sample Problem 3: How much sodium chloride is needed for a](http://slidetodoc.com/presentation_image_h2/5e0fc80d07aaed4a69605ef2e9f15e5a/image-18.jpg)
Solubility Curves l Sample Problem 3: How much sodium chloride is needed for a saturated solution at 75°C in 200 g of water? Answer: 80 g
- Slides: 18