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Kunti Daanish Narain
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Asked: 2022-11-11T01:18:19+05:30 In:

A group `IV` A element with a density of `11.35 g//cm^(3)` crystallises in a face centered cubic lattice whose unit cell edge length is `4.95 Å` .Calculate its atomic mass
A. `207.2 g//mol`
B. `180 g//mol`
C. `109.9 g//mol`
D. `280.8 g//mol`

A group `IV` A element with a density of `11.35 g//cm^(3)` crystallises in a face centered cubic lattice whose unit cell edge length is `4.95 Å` .Calculate its atomic mass
A. `207.2 g//mol`
B. `180 g//mol`
C. `109.9 g//mol`
D. `280.8 g//mol`
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1 Answer

  1. Correct Answer – d
    `d = (GAM xx Z)/(N_(A) xx a^(3))`
    for `PC C,Z = 4`
    `GMA = 207.2 g//mol`

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