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NEET 2022

NEET 2022 Chemistry question on Solutions

Copper crystallises in fcc unit cell with cell edge length of 3.608×10−83.608 \times 10^{-8} cm. The density of copper is 8.92 g cm−38.92\,\text{g cm}^{-3}. Calculate the atomic mass of copper.
  1. A.
    63.1 u63.1\,\text{u}
  2. B.
    31.55 u31.55\,\text{u}
  3. C.
    60 u60\,\text{u}
  4. D.
    65 u65\,\text{u}
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Correct option: A

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