Consider the following scenario: a small amount of a solid got into a sample when preparing the capillary tube to determine its melting point. The student decided to take the melting point anyway. The student observes the following: (a) a sharp melting point (<2oC); (b) a melting point that closely matches the literature reported value. Which of the following conclusions will not be justified by the experimental results.

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Chapter1: Chemical Foundations
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Consider the following scenario: a small amount of a solid got into a sample when preparing the capillary tube to determine its melting point. The student decided to take the melting point anyway. The student observes the following: (a) a sharp melting point (<2oC); (b) a melting point that closely matches the literature reported value. Which of the following conclusions will not be justified by the experimental results.

  1. The solid was a soluble impurity in the liquid phase.
  2. The solid was an insoluble impurity in the liquid phase.
  3. The solid was a sample of the same compound.
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Melting point is the temperature at which the solid and liquid forms of a pure substance can exist in equilibrium. 

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