This research was the learning tools development research for chemoentrepreneurship-based hydrocarbon and petroleum materials which was valid and effective in increasing the students’ soft skills and interest in entrepreneurship. Pretest-posttest control group design was used as the research design and was conducted outside of the classroom. N-gain test was used to analyze the data of students’ achievement, meanwhile the percentage technique was used to analyze the students’ soft skills and interest in entrepreneurship. The result of this research showed that learning tools for chemoentrepreneurship-based carbon and petroleum was valid and effective in increasing the soft skills and interest in entrepreneurship of X-2 Graders of SMA PGRI, Jepara
