Answer :

Given : d= 2.8 g/cm3

a= 4×10-8cm

NA=6.022×1023 mol-1

For fcc unit cell z=4

We know that


So the molar mass of the element is 26.99 gm/mol

Rate this question :

How useful is this solution?
We strive to provide quality solutions. Please rate us to serve you better.
Try our Mini CourseMaster Important Topics in 7 DaysLearn from IITians, NITians, Doctors & Academic Experts
Dedicated counsellor for each student
24X7 Doubt Resolution
Daily Report Card
Detailed Performance Evaluation
view all courses