review 1

review 1 - (very) Rough outline Mini review for midterm 1...

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1 Mini review for midterm 1 NB: This does not cover all material! • Units, Conversions, Powers of 10, Prefixes • Errors : Sig Figs, Error propagation • Statistics: Normal distribution, t-test, Q-test • Equilibrium: Constant, K sp , K H , K w , separation by precipitation, • Titration: v e (very) Rough outline Molarity = Moles of solute/Liters of Solution (M) Molality = Moles of solute/Kg of Solvent (m) Mole Fraction = Moles solute/total number of moles Mass % = Mass solute/total mass x 100 Volume % = volume solute/total volume x 100 ppm = parts per million * ppb = parts per billion * Chemical concentrations * mass for solutions, volume for gasses Random error Systematic error
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2 significant figure: The number of significant digits in a quantity is the minimum number of digits needed to express the quantity in scientific notation. . The real rule: The first uncertain figure is the last significant figure. TIP: In our calculations, we retain extra insignificant digits and
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This note was uploaded on 05/19/2010 for the course CHEM 150 taught by Professor Buratto during the Spring '08 term at UCSB.

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review 1 - (very) Rough outline Mini review for midterm 1...

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