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  • Chromium crystallises in bcc structure. If its edge length is , find its density. Atomic mass of chromium is <img alt="52 \; u." src="https://entrancec

Chromium crystallises in bcc structure. If its edge length is 300\; pm, find its density. Atomic mass of chromium is 52 \; u.\left [ N_{A}=6.022\times 10^{23}\; mol^{-1} \right ]

 

 

 

 
 
 
 
 

Answers (1)

BCC, \; \; \; z=2

edge =300\; pm=300\times 10^{-10}cm

M=52\; u

d=\frac{Z\times M}{a^{3}\times N_{a}}

   =\frac{2\times 52}{(300\times 10^{-10})^{3}}\times 6.023\times 10^{23}

=6.396\; g/cm^{3}

Posted by

Sumit Saini

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