In this video, Dr. Harold Goldwhite gives an introduction to Empirical and Molecular Formulas.
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Educator.com
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A video demonstration of The Mole and Avogadro's Number from Salman Khan of Khan Academy.
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Khan Academy
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Brief explanations of terms and formula plus variations of the formula
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Aus-E-Tute
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An interactive slide show that uses animations to clearly explain the concept of dilution and related calculations. Includes practice questions with feedback.
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Dilutions
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A slide show that uses animations to clearly explain what a saturated solution is.
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Saturated Solutions
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A slide show that uses animations to explain the concept of molarity and related calculations. Includes practice problems with feedback.
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Molarity
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A clear description and example of creating dilutions.
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Clackamas Community College Dilutions Calculations
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How to form dilutions of solutions.
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Mountain Empire Community College dilutions page
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another clear description of solution concentrations, with examples.
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Mountain Empire Community College solutions page
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Describes how to calculate the weight percent of a solute in solution. Provides worked examples and practice problems with answers.
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Weight Percent
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