Are you still solving chemistry calculation problems by brute force? This is the textbook for "Advanced Chemistry I (Calculation Problems)," the most difficult and most important course in chemistry for university entrance exams. It is said to be a divine teaching material that, if mastered perfectly, will eliminate any unsolvable calculation problems, from the Common Test to secondary exams and difficult university-level problems. Why this teaching material: Comprehensiveness: All frequently appearing calculation patterns are systematized, allowing you to quickly eliminate your weaknesses. New and Unused: This is a beautiful copy with no writing whatsoever. Please make it your own strongest textbook with your own notes. 2022 Edition: It thoroughly covers recent trends. If you are worried about "being slow at calculations" or "just plugging numbers into formulas," start working on this right away. Chemistry will become your strong subject.