Science, asked by nspr8243, 1 year ago

A metal has a fcc lattice. The edge length of the unit cell is 404 pm. The density of the metal is 2.72 g cm^-3. The molar mass of the metal is

Answers

Answered by shivanidixit2002
4

density=Z*M/a³*Nₐ

where z=no. of atoms in unit cell=4

a= 404*10⁻¹⁰cm

Nₐ=6.022*10²³

therefore M=6.022*10²³*(404*10⁻¹⁰)³*2.72/4=approx 27g

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