See image — AITS & Test Series Chemistry Question

💡 Solution & Explanation

Sol. Number of atoms in unit cell = 1 + 2 = 3 15 = density =      24 23 3 at.wt. 5 10 6 10 At. Wt. = 1 5 5 6 10    = 15 15 gram has 23 6 10 atoms     23 150 150 gram '' '' 6 10 15 23 60 10   = 6 × 1024 x = 6