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An element with molar mass 2.7 xx 10^(-2...

An element with molar mass `2.7 xx 10^(-2) kg mol^(-1)` forms a cubic unit cell with edge length 405 pm . If its density is `2.7 xx 10^(3) kg m^(-3)` what is the nature of the cubic unit cell ?

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1.18 ccp
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