This section pulls together the chemical concepts studied in the laboratory activity and allows you to discuss whether the experiment was successful or not in illustrating the concepts. This is your opportunity to let your readers know how well you understand the material. Assume the reader is someone that is unfamiliar with the experiment you conducted. The Discussion section is not the place to express personal opinions about the lab or your instructors. A lab report is a technical paper and not a critique or review for the Purdue Exponent .
First person is acceptable in scientific writing because it is more active and less awkward.
For example, the chemical reaction occurring, or the constant being found, etc. Be sure to include equations for the reactions and calculations. For example, relating the freezing point depression to molality, which in turn can be used to find the molecular weight of the solute. Include the unknown numbers here also. Discuss the results.