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Posted: **Sat May 21, 2022 11:58 am**

: 311 400 350 300 250 Intensity A U 200 150 100 50 0 30 40 50 60 70 80 2 Theta Degree 3 A Monochromatic X Ray Radiat 1 (42.41 KiB) Viewed 16 times

: 311 400 350 300 250 Intensity A U 200 150 100 50 0 30 40 50 60 70 80 2 Theta Degree 3 A Monochromatic X Ray Radiat 2 (27.4 KiB) Viewed 16 times

(311) 400 350 300 250 Intensity (a.u.) 200 150 100 50 0 30 40 50 60 70 80 2 Theta Degree 3. A monochromatic X-ray radiation with a wavelength of 0.154 nm was used to determine the X-ray diffractogram presented above to characterize an unknown substance. Please determine the following, 1. Use the three largest diffraction peaks to calculate the average lattice parameter of the unit cell,
PLANE 20 ө Lattice Parameter, nm I Calculate the theoretical density of this unknown material considering that the diffractogram corresponds to an alloy of metals A and B. The composition is 35 wt% of A and 65 wt% of B. The atomic weights of A and B are 68.3 and 91.6 g mol, respectively.