Strontium metal crystallizes in a cubic unit cell which has an edge length of 612 pm.If the mass of an atom of Sr is 87.62 amu,and the density of Sr metal is 2.54 g/cm³,calculate the number of atoms per unit cell.(1 amu = 1.661 $\times$ 10^-24 g. )

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The Answer of Strontium metal crystallizes in a cubic unit cell which has an edge length of 612 pm.If the mass of an atom of Sr is 87.62 amu,and the density of Sr metal is 2.54 g/cm³,calculate the number of atoms per unit cell.(1 amu = 1.661 $\times$ 10^-24 g. )

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