The crossover method as a simple and fast solving method in solution preparation problems

Students and graduates always face difficulties in solving solution preparation problems, and textbooks usually do not provide a complete description of problem-solving methods, while problem-solving skills are essential for students. For this purpose, a book called "Different methods of solving solution preparation problems in the chemistry laboratory" has been written by the author and published in the Islamic Azad University of Quchan. One of the methods mentioned in this book, which is very simple and fast, is the crossover method. The purpose of this article is to present this method in solving solution preparation problems with the help of which solution preparation problems can be solved very quickly and easily.