Chemistry, asked by ibadaziz3944, 1 year ago

How many unit cells are present in a cube shaped ideal crystal of nacl of mass 1 gram?

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Answered by iamred2611
1

So, each unit cell has 4 atoms of each Na+ and Cl-. Hence there are total 4 molecules of NaCl in each unit cell. As the mass of -Avogadro number of molecules- of NaCl is 58.5g. So, 2.575×10^21 unit cells contains 1gm of NaCl molecules.

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Answered by nivrithipeteti
2

Answer: 2.57 × 10^ 21 unit cells

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