This full solution covers the following key subjects: metal, Vacancies, atomic, Equilibrium, fraction. This expansive textbook survival guide covers 22 chapters, and 1041 solutions. This textbook survival guide was created for the textbook: Materials Science and Engineering: An Introduction, edition: 9. The answer to “For some hypothetical metal, the equilibrium number of vacancies at 900C is 2.3 1025 m3 . If the density and atomic weight of this metal are 7.40 g/cm3 and 85.5 g/mol, respectively, calculate the fraction of vacancies for this metal at 900C.” is broken down into a number of easy to follow steps, and 42 words. Since the solution to 4.2 from 4 chapter was answered, more than 303 students have viewed the full step-by-step answer. The full step-by-step solution to problem: 4.2 from chapter: 4 was answered by Sieva Kozinsky, our top Engineering and Tech solution expert on 11/14/17, 08:41PM. Materials Science and Engineering: An Introduction was written by Sieva Kozinsky and is associated to the ISBN: 9781118324578.