lecture27_chem110_sas - Solutions and Electrolytes Prepare...

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Solutions and Electrolytes CH110 FA11 SAS 1 Prepare for Recitation October 27 th ALEKS Objective 9 due October 25 th ANGEL Quiz 9, October 27 th Lecture 25: October 19 th Lecture 26: October 21 st Lecture 27: October 24 th Read: Ch. 18.1-18.4,5.5,11.3-11.6 Additional Preparation: BLB 18 : 9,11,15,29,69 Packet 18 : 1-3 BLB 11 : 31,33,37,39,43,47,50; Packet 11 : 5-13
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CH110 FA11 SAS 2 By the end of Today’s Lecture you should know: Solutions Electrolytes KEY QUESTIONS: THE BIG PICTURE Liquids, Phase Diagrams, and Phase Changes What intermolecular forces are found in liquids? How do we express concentration and perform calculations for dilutions? What are electrolytes? Remember: macroscopic properties come from microscopic origins How do IMFs influence the dissolution process? What types of compounds tend to be strong, weak, or non- electrolytes?
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Solutions – The Basics CH110 FA11 SAS 3 Solution: • Solutions consist of a _______ , which is typically present in the _______ amount and one or more _______ , which are dissolved and typically ____ abundant • Aqueous solutions: Solutions in the environment • Large concentrations: • Small concentrations:
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Concentration: Measures of Solute Abundance CH110 FA11 SAS 4 Mass Percent (%) Parts per million (ppm) Mole Fraction Molarity (M) Molality (m)
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Dilutions and Aliquots CH110 FA11 SAS 5 • Dilution changes the amount of _______ present, but not the number of moles of
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This note was uploaded on 01/18/2012 for the course CHEM 110 taught by Professor Hofmann,brucerob during the Fall '08 term at Pennsylvania State University, University Park.

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lecture27_chem110_sas - Solutions and Electrolytes Prepare...

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