Q. 125.0( 2 Votes )

<span lang="EN-US

Answer :

Given


a = 250 pm = 250 x 10-12 m


z = 4


m = 300g


We know that,



Where M = Molar mass and NA = 6.022 x 1023


Therefore,


Also,



Therefore, the density is 38.4 g/cm3


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