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QJEEM22Chc719: JEE Main 2022 Chemistry - Class 12 JEEM22Chc719 Solution: Atoms of element X form hcp lattice and those of element Y…

Atoms of element X form hcp lattice and those of element Y occupy 23 of its tetrahedral voids. The percentage of element X in the lattice is ____________. (Nearest integer)

Step-by-Step Verified Solution

Since XX occupies hop lattice, Number of particles of type XX in a unit cell =6=6

Number of particles of type Y=23×12=8Y=\frac{2}{3} \times 12=8

∴\therefore Percentage of element X=614×100X=\frac{6}{14} \times 100

=3007=42.85≃43%

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