Chemical Calculations And Chemical Formulas Worksheets With Answer Key
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Chapter 9
Chemical Calculations and Chemical Formulas
Review Skills
9.1 A Typical Problem
9.2 Relating Mass to Number of Particles
Atomic Mass and Counting Atoms by Weighing
Molar Mass
9.3 Molar Mass and Chemical Compounds
Molecular Mass and Molar Mass of Molecular Compounds
Ionic Compounds, Formula Units, and Formula Mass
Internet: Molar Mass Conversion Factors
9.4 Relationships Between Masses of Elements and Compounds
Internet: Percentage of an Element in a Compound
9.5 Determination of Empirical and Molecular Formulas
Determining Empirical Formulas
Converting Empirical Formulas Into Molecular Formulas
Special Topic 9.1: Green Chemistry - Making Chemicals from Safer Reactants
Internet: Combustion Analysis
Special Topic 9.2: Safe and Effective?
Chapter Glossary
Internet: Glossary Quiz
Chapter Objectives
Review Questions
Key Ideas
Chapter Problems
Section Goals and Introductions
Section 9.1 A Typical Problem
Goal: To introduce the chapter by describing a typical problem that you will be able to work
after studying the chapter.
Sometimes a task becomes much easier if you know from the beginning where you are going
to end up. It will help you to understand the importance of Sections 9.2 and 9.3 if you first
know how the calculations described there can be used. This section shows a typical problem
and gives you a sense of why it is important.
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