Argon crystallizes in fcc arrangement and density of solid and liquid Argon is 3.7 and 3 gm / cc , respectively. Find percentage of empty space in liquid Argon [ Ar = 40 ] . (Answer to the nearest int

Question

Argon crystallizes in fcc arrangement and density of solid and liquid Argon is 3.7 and 3 gm / cc , respectively. Find percentage of empty space in liquid Argon [ Ar = 40 ] . (Answer to the nearest integer)

TestHub · Accepted Answer

Concepts: Packing efficiency (fcc), density, empty space.

Solution: fcc packing efficiency = 74%. Solid density = 3.7 g/cc. Liquid density = 3 g/cc.

Empty space in liquid = $(1 - \frac{3}{3.7} \times 0.74) \times 100% = 40%$ .

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