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STOICHIOMETRY: CHEMICAL ARITHMETIC

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STOICHIOMETRY: CHEMICAL ARITHMETIC

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    1. STOICHIOMETRY: CHEMICAL ARITHMETIC Chemical Equations Theoretical Yields Percent Yields Chapter 3.2-3.4 Silberberg

    2. Goals & Objectives The student will understand the procedure for finding the empirical and the molecular formulas of a compound. (3.2) The student will understand how more than one substance can have the same empirical formula but different molecular formulas. (3.2)

    3. Goals & Objectives The student will understand the importance of balancing equations for the quantitative study of chemical reactions. (3.3) The student will understand the mole-mass-number information in a balanced equation. (3.4)

    4. Goals & Objectives The student will understand the relation between amounts of reactants and products. (3.4) The student will understand why one reagent limits the yield of a product. (3.4)

    5. Goals & Objectives The student will understand the causes of lower-than-expected yields and the distinction between theoretical and actual yields. (3.4)

    6. Master these Skills Using mass percent to find the mass of an element in a given mass of a compound. (SP 3.4) Determining empirical and molecular formulas of a compound from mass percent and molar mass of the elements (SP 3.5 and 3.6) Determining a molecular formula from combustion analysis. (SP 3.7)

    7. Master these Skills Converting a chemical statement into a balanced chemical equation (SP 3.7) Using stoichiometrically equivalent molar ratios to calculate amounts of reactants and products in reactions of pure and dissolved substances. (SP 3.8 & 3.16)

    8. Master these Skills Solving limiting-reactant problems from molecular depictions and for reactions of pure and dissolved substances. (SP 3.10, 311, & 3.17) Calculating percent yield. (SP 3.12)

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