The student outlined the topic of their study effectively at the beginning of the essay, clearly stating the aim through the title and research question. The investigation focused on a core topic in IB Chemistry: the accuracy of methods for determining copper content in brass, which aligned with the chemistry curriculum. The student provided comprehensive background information and established a clear context, detailing the properties of brass and the analytical techniques used. Their research question was well-defined, relevant to chemistry, and feasible within the available resources and time constraints. The methodology was thoroughly explained, with sufficient detail for replication, and the student successfully gathered relevant primary data through practical laboratory work.
