Chemical Calculations Author:George I. Sackheim The 18th edition of this title carries on its storied tradition as George Sackheim has combined the best features of the previous editions for this post-golden anniversary edition. — The long history of the success of this book is a direct result of Sackheim's pedagogical methods in bringing out logical reasoning and demanding that the student th... more »ink through the problems as opposed to memorizing them. This book shows the student how to solve a chemical problem as well as explaining key concepts such as atomic structure, valence, nomenclature, and other problem areas. There are over 1,000 problems in this book.« less