Unit 1 -Notes 2-1 - What exists? e. Matter 1) Pure constant...

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4/8/10 e. Matter 1) Pure – constant composition 1) Mixtures – variable composition a) Homogeneous – single phase a) Heterogeneous – more than one phase What exists?
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4/8/10 Analysis of a Mixture Qualitative Analysis (what it is) separation and identification of the components of the mixture Quantitative Analysis (how much it is) determination of the quantity of each component of the mixture
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4/8/10 Separation Techniques Crystallization separation of solids from a liquid solution Distillation separation of one component of a liquid solution from another based on boiling points Chromatography separation of one component of a liquid solution from another on a support material Solvent Extraction 16
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Distillation Separates homogeneous mixture on the basis of differences in boiling point.
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Chromatography: Separates substances on the basis of differences in solubility in a solvent.
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More on Moles Mole is like dozen, a dozen is 12, but mole is a big # 6.029x10^23 One can as well say one mole of oranges, that means 6.023x10^2
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This note was uploaded on 04/08/2010 for the course CHM CHM140Y5 taught by Professor Dr.krish during the Spring '09 term at University of Toronto- Toronto.

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Unit 1 -Notes 2-1 - What exists? e. Matter 1) Pure constant...

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