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The density of a pure substance A whose ...

The density of a pure substance A whose atoms pack in cubic close park arrangement is `1gm//cc`. If B atoms can occupy tetrahedral void without distortions and they occupy all the tetrahedral voids, then what is the density of resulting solid in `gm//cc`? [Given: `M_(A) = 30amu, M_(B) = 50 amu]`

A

4.33

B

2.33

C

1.33

D

5.33

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