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MCAT-Orgo Techs

QuestionAnswer
Extraction seps dissolved substances based on differential solubility in aq. vs. org. solvents
Filtration seps solids from liquids
Recrystallization seps solids based on differential solubility; temp v. important
Sublimination seps solids based on their ability to sublime
Centrifugation seps large things (such as cells, organelles, macromolecs) based on mass and density
Distillation seps liquids based on bp, which in turn depends on intermolec forces
Chromatography uses a stationary phase and a mobile phase to sep compounds based on how tightly they adhere (generally due to polarity, size or charge)
Electrophoresis seps bio macromolecs (such as proteins or nuc. acids) based on size and sometimes charge
Created by: ak3dave888 on 2010-03-10



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