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An element with density 2.8 gcm^(-3) for...

An element with density 2.8 `gcm^(-3)` forms a f.c.c unit cell with edge length `4xx10^(-8)` cm. calculate the molar mass of the element. Given: `(N_(A)=6.022xx10^(23)) mol^(-1)`

A

26.97

B

22

C

25

D

21

Text Solution

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The correct Answer is:
A
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