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If the molar mass AB is 100g mol^(-1) an...


If the molar mass AB is `100g mol^(-1)` and 'a' is edge length then the density of the crystal will  be

A

`(4N_(A))/(a^(3)xx100)`

B

`(4xx100)/(a^(3)N_(A))`

C

`(2N_(A))/(a^(3)100)`

D

`(2xx100)/(a^(3)N_(A))`

Text Solution

Verified by Experts

The correct Answer is:
B
There are four units of `AB, d=(Zm)/(a^(3)N)rArr (4xx100)/(a^(3)xxN)`
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  • The Cubic Unit cell of a metal (molar mass = 63.55 g mol^(-1)) has an edge length of 362 pm. Its density is 8.92 g.cm^(-3) . The type of unit cell is

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