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AB crystallizes in a rock salt structure...

AB crystallizes in a rock salt structure. The nearest distance between A and B is `Y^(1//3)` nm, where Y is a constant. The molecular mass of AB is `"6.023 Y g/mol"^(-1)` .Determine the density in `kgm^(-3)`.

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`"5.0 kg m"^(-3)`
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