The student has clearly stated the independent and dependent variables in the research question, along with specified units of measurement. Additionally, the method of analysis conducted, which involves iodometric titration, is well-described. The background theory section is comprehensive, outlining relevant concepts and providing chemical equations. The student also explains the choice of techniques for measuring the variables and addresses safety, ethical, and environmental issues associated with the investigation. The methodology is sufficiently described, including detailed steps and materials, without any irrelevant or repetitive information.
