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January 16, 20102.03 - Percentage CompositionThis video is my lecture on calculating Percentage Composition. For more video check me out on iTunes by searching "Papapodcasts".0 minPlay
December 17, 20092.01 - Avogadro Constant & the MoleThis video is my lecture on the Avogadro constant and its relationship with the mole. For more video check me out on iTunes by searching "Papapodcasts".0 minPlay
October 08, 20091.13 - Periodic Table Trends: Atomic Size, Ionization Energy & Electron Affinity0 minPlay