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BYU-I - CHEM 101 - Class Notes - Week 11

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BYU-I - CHEM 101 - Class Notes - Week 11

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background image Solutions ! Solute and Solvent. The dissolver and the dissolved.  Like dissolves like. Polar and polar, nonpol and nonpol. Water and oil 
doesn’t mix. Water can dissolve polar solutes such as sugar and ionic 
compounds like NaCl, while a nonpolar solvent, like Hexane dissolves 
nonpolars such as oil or grease. 
Solutes and Ionic Charges  Water is the most common solvent, and is a polar molecule. It forms 
hydrogen bonds in one molecule and another in a different water molecule. 
In water  - Strong Electrolytes produce Ions and conduct an electric current, 
- Weak electrolytes produce few ions, 
- Nonelectrolytes do not produce ions.  
Strong Electrolytes  - Disassociates in water and make positive and negative ions. 
- Produce an electric current in water. 
- In equations, shows the formation of ions in Aqueous solutions. 
Weak Electrolytes - Dissociates only slightly in water. 
- Forms a solution of only a few ions and mostly undissociated 
molecules.  Nonelectrolytes - Dissolve as molecules in water
- Do not produce ions in water
- Do not conduct electricity. 
Solubility 1. Is the maximum amount of solute that dissolves in a specific temp
2. Can be expressed as grams of solute in 100 grams of solvent, usually 
water. G of solute/100 g of H2O 3. May be saturated, unsaturated, or supersaturated.  Temperature and solubility - Solubility depends on temp, 
- solubility of solids increases with temp, 

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School: Brigham Young University - Idaho
Department: Chemistry
Course: Introduction to General Chemistry
Professor: Robert Willis
Term: Summer 2015
Tags: General Chemistry
Name: Week !1 Chem Notes
Description: Solubility and Solubility rules
Uploaded: 04/01/2018
2 Pages 20 Views 16 Unlocks
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