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1. |
\[CsBr\] crystallises in a body centered cubic lattice. The unit cell length is 436.6 pm. Given that the atomic mass of Cs=133 and that of Br=80 amu and Avogadro number being \[6.02\times {{10}^{23}}mo{{l}^{-1}}\] the density of \[CsBr\] is |
A. | \[0.425\text{ }g/c{{m}^{3}}\] |
B. | \[8.5g/c{{m}^{3}}\] |
C. | \[4.25\text{ }g/c{{m}^{3}}\] |
D. | \[82.5\text{ }g/c{{m}^{3}}\] |
Answer» C. \[4.25\text{ }g/c{{m}^{3}}\] | |