Na crystallizes in fcc lattice having edge length 500 pm. Mass of the Na particle is 4.151 × 10– 23g. the density of the lattice is:
  • a)
    1.33 g/cm3
  • b)
    1.5 g cm3
  • c)
    1.75 g/cm3
  • d)
    2.00 g cm3
Correct answer is option 'A'. Can you explain this answer?
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Chemistry Question

By Rubi Agrawal · Jan 05, 2019 ·Chemistry
3 Answers
Amit Jangra answered Jan 05, 2019
In the question Mass of single Na is given so we have to be careful that we cant use Avagadro no in our formula ,because it is used when we have atomic weight ,try this question by omitting N(Avagadro) from the formula of density and convert 500pm into cm and you get your ans

Ånimesh Ghosh answered Oct 03, 2018
Something wrong

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