« Edisi Khusus, No. 2, Agustus
HUBUNGAN PENGUASAAN SISWA TERHADAP KONSEP PRASYARAT STOIKIO METRI DENGAN KEMAMPUAN SISWA MENYELESAIKAN SOAL STOIKIOMETRIRetnoPramesti
AbstrakKata kunci : Prerequisite Concept, Stoichiometry
Stoichiometry is one of the chemistry subject which is quite important because it is required as a prerequisite concept for studying more complex subjects. Based on several studies and the reality, the stoichiometry subject is quite difficult to understand by students. The study was conducted to review and identify the layout and cause of the students difficulties through the stages of problem solving on the stoichiometry subject. Research subjects were 24 10th students from one of a private high school in Bandung. As data collection tool this study used the test (prerequisite concept and stoichiometry), analysis of lesson plans, observation, questionnaire, interviews with students and teacher. From the results of the study, the writer found that; First, the lesson plans has not been implemented properly on the evaluation and closing. Second, the students' understanding on the concept of stoichiometry is very low, resulting low understanding on the stoichiometry subject.
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