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Chemistry: Beer's Law Lab

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Topics

    • Beer's law
    • Solutions
    • Concentration
    • Molarity
    • Light
    • Absorbance
    • Transmittance
    • Spectrophotometry
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Learning Goals

    • Describe the relationships between volume and amount of solute to solution concentration
    • Explain qualitatively the relationship between solution color and concentration
    • Predict and explain how solution concentration will change for adding or removing: water, solute, and/or solution
    • Calculate the concentration of solutions in units of molarity (mol/L)
    • Design a procedure for creating a solution of a given concentration
    • Identify when a solution is saturated and predict how concentration will change for adding or removing: water, solute, and/or solution
    • Describe the relationship between the solution concentration and the intensity of light that is absorbed/transmitted
    • Describe the relationship between absorbance, molar absorptivity, path length, and concentration in Beer’s Law
    • Predict how the intensity of light absorbed/transmitted will change with changes in solution type, solution concentration, container width, or light source, and explain why
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