Becker, Ralph S. 1925- Instructor's manual [for] General chemistry, 2nd ed. / Ralph S. Becker, Wayne E. Wentworth - Boston : Houghton Mifflin , 1980. - Vii, 188 p. : ill. ; 24 cm. ISBN: 0395253179 Subjects--Topical Terms: Chemistry-- Problems , exercises , etc. Dewey Class. No.: 540