'Mass percentages' diaporamas de présentation

Chapter 3: Chemical Compounds

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STOICHIOMETRY

STOICHIOMETRY. Chapter 3. Law of conservation of mass. The balance became an important instrument in the eighteen century. Balances measure mass, which is the quantity of matter in a material. You should note the distinction between the terms mass and weight in precise usage.

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Using Stoichiometry to Determine Chemical Formulas

Q3U2 :Theoretical Yield, Mass Percents, and Empirical Formulas. Using Stoichiometry to Determine Chemical Formulas. Theoretical Yield and Actual Yield. Theoretical Yield: The amount of product formed through a chemical reaction, as predicted by Stoichiometry

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Chapter 3 Stoichiometry

Chapter 3 Stoichiometry. 3.1 Atomic Masses 3.2 The Mole 3.3 Molar Mass 3.4 Percent Composition of Compounds 3.5 Determining the Formula of a Compound 3.6 Chemical Equations 3.7 Balancing Chemical Equations 3.8 Stoichiometric Calculations: Amounts of Reactants and Products

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To understand the definition of molar mass To learn to convert between moles and mass

Objectives. To understand the definition of molar mass To learn to convert between moles and mass To learn to calculate the mass percent of an element in a compound. A. Molar Mass. A compound is a collection of atoms bound together. 1 mole of methane.

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