CHEM 1A F08 lecture notes: Compound naming conventions, etc.

CHEM 1A F08 lecture notes: Compound naming conventions,...

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Unformatted text preview: CHEM 1A Week 2: Friday December 10, 2008 Law of Multiple Proportions If two elements form multiple compounds, the ratios of the masses of the second element combining with a xed mass of the rst element will be in ratios of small whole numbers. Naming conventions Common prexes/suxes -ite compound w/least oxygen -ate the compound w/most oxygen hypo- less than per- more than Generally never use mono The Mole mole the amount of substance that is equal to the same number of entities contained in a carbon-12 Example problems How many moles are in 1.25 g Si? (1.25 g Si) 1 mol 28.07g = 4.45 × 10−2 mol 1 Review queue • • Memorize Table 2.4  memorize systematic name Review naming conventions, e.g. for Na2 SO4 , Na2 SO3 , etc. 2 ...
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CHEM 1A F08 lecture notes: Compound naming conventions,...

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