Excerpt from The Electrolytic Dissociation Theory: With Some of Its Applications
In this little treatise the authors have sought to bring together, in small compass, material relating to the Electrolytic Dissociation Theory which is now somewhat widely distributed throughout many of our excellent textbooks. The method of presentation is that which they have found serviceable in enabling their students to comprehend the main facts which are today generally accepted as supporting the Theory, and to understand its application to important types of chemical change.
While the book has been written primarily for the use of students, the authors have also kept in mind its probable usefulness to the teacher in preparatory school or college, who may desire to gain in a short time an acquaintance with the fundamental facts and principles in this interesting field. In this connection, however, they desire to express their firm conviction that this Theory should be touched upon in only the most elementary way in the secondary schools; but this does not, of course, make it less necessary that the well-informed teacher should be prepared to meet the inquiries of the occasional unusually mature and thoughtful pupil.
More has been included in this manual than the authors have found it advisable for the college student who is just beginning the study of chemical science to attempt to master, and quite as much as many students who have already had a year of chemical experience in a preparatory school will be able to thoroughly understand. Our experience has shown, however, that it is easier to maintain the interest of the thoughtful pupil if answers to some of the questions suggested to him by the discussions in the main body of the text are placed at his hand, when it is possible to do this without going too far afield. Most of the material of this nature has been printed in smaller type, and may be omitted without loss of continuity; and it is believed that in the course of a year of study the college student (even the beginner in chemistry, if he has some knowledge of physics) can be brought to understand the essential principles included in the main text. To insure this it is necessary that the instructor should lose no opportunity throughout his course to emphasize the application of a principle, after it has once been introduced.
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