Chemical Analysis

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  • Chemical Analysis
    • Pure substances are made up of a single element or compound. (eg: water only contains H2O molecules)
    • Melting- The change from solid to liquid.
      • Melting Point- The specific temperature at which melting occurs. Each pure substance has a specific melting point.
    • Calculating the Rf value: 1.Measure the total distance moved by the solvent 2.Measure the distance traveled for each substance 3.Equation: Rf value= distance moved by substance divided by distance moved by solvent


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