This exercise book, featuring hundreds of newly compiled tasks, is aimed at students in the foundational chemistry programs. It is the ideal companion to the textbook "General and Inorganic Chemistry" by the same authors, as well as to other textbooks in General Chemistry and corresponding courses in chemistry studies. The content covers the most important topics for which calculations are performed during the first semesters in the areas of General Chemistry, Inorganic Chemistry, and Analytical Chemistry. Proficiency in solving relevant tasks is essential for success in many exams. Depending on the program, there are naturally differences in the requirements regarding the range of topics and the difficulty level of the tasks. Nevertheless, every student will enhance their chances by working with this exercise book.