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Chapter 3/4

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Subject: 
Chemistry
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Tags: 
Chemistry
Stoichiometry
Bases
Physical chemistry
Equilibrium chemistry
Chemical reactions
Titration
solubility
Strong electrolyte
Chemical equation
Mole
Limiting reagent

Claire Rafson Chapter 3 notes 3.1 You can count things by weight 3.2 Atomic mass determined on a mass spectrometer Average atomic mass = atomic mass for the element 3.3 Avogadro?s number = 6.02214 X 10^23 1 mole = avogadro?s number 3.4 molar mass= mass in grams of one mole of the compound 3.5 Percent comp of compounds Mass percent- weight percent can be computed by comparing the mass of carbon Find moles of all divide by smallest number find whole number etc. 3.6 Molecular formula= (empirical formula)n N is an integer To find molec formula take molar mass/ empirical formula mass and that is n SEE PAGE 96 IF CONFUSED 3.7- Chemical Reactions- Reactants on left and products on the right. Aq- dissolved in water 3.8- Balance reactions 3.9- Stoichiometry-

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