'Molecular formula empirical formula' diaporamas de présentation

Chemical Formulas

Chemical Formulas. Main objectives for this chapter:. Empirical and molecular formulas . Structural formulas. Simple examples Calculations of empirical formulas, given the percentage composition by mass.

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Molar Mass, Empirical & Molecular Formulas

Cartoon courtesy of NearingZero.net. Molar Mass, Empirical & Molecular Formulas. Molecular Mass & Formula Mass. A chemical formula is a convenient way of showing how many and what type of atoms make up a particular molecule of formula unit. Molecular Mass & Formula Mass.

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The Mole & Formulas

The Mole & Formulas. Dr. Ron Rusay. Mole - Mass Relationships Chemical Reactions Stoichiometry. The Mole % Composition: Determining the Formula of an Unknown Compound Writing and Balancing Chemical Equations Calculating the amounts of Reactant and Product Limiting Reactant. The Mole.

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The Mole & Formulas

The Mole & Formulas. Dr. Ron Rusay. Mole - Mass Relationships Chemical Reactions Stoichiometry. The Mole % Composition: Determining the Formula of an Unknown Compound Writing and Balancing Chemical Equations Calculating the amounts of Reactant and Product Limiting Reactant. The Mole.

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6.6 Empirical and 6.7 Molecular Formulas

6.6 Empirical and 6.7 Molecular Formulas. Types of Formulas. Two kinds: E mpirical formula Molecular(true) formula. Empirical Molecular Name CH C 2 H 2 acetylene CH C 6 H 6 benzene CO 2 CO 2 carbon dioxide CH 2 O C 5 H 10 O 5 ribose. 6.6 Empirical Formulas.

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Stoichiometry

Stoichiometry. General definitions. Element- a pure substance which cannot be broken down by any ordinary chemical means. Molecule- two or more atoms chemically bonded together. Example O 2 , H 2 O

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To understand the concept of average mass To learn how counting can be done by weighing

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Empirical Formulas

Empirical Formulas. Empirical formula – lowest whole-number ratio of the elements in a compound (divide by – Greatest Common Factor) What is the empirical formula of C 2 N 2 H 8 CNH 4. Empirical Formula Calculations 1.) Change the given information to moles for each element.

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Percent Composition, Empirical and Molecular Formulas

Percent Composition, Empirical and Molecular Formulas. Courtesy www.lab-initio.com. Calculating Percentage Composition. Calculate the percentage composition of magnesium carbonate, MgCO 3. Formula mass of magnesium carbonate: 24.31 g + 12.01 g + 3(16.00 g) = 84.32 g. 100.00. Formulas.

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Percent Composition, Empirical and Molecular Formulas

Percent Composition, Empirical and Molecular Formulas. Courtesy www.lab-initio.com. Calculating Percentage Composition. Calculate the percentage composition of magnesium carbonate, MgCO 3. Formula mass of magnesium carbonate: 24.31 g + 12.01 g + 3(16.00 g) = 84.32 g. 100.00. Formulas.

127 views • 12 slides