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clear
//
//
//
//Variable declaration
rho=7870; //density(kg/m^3)
M=55.8; //molecular weight
N=6.02*10^26; //avagadro number
n=2; //number of atoms
//Calculations
a=(n*M/(rho*N))^(1/3); //lattice constant(m)
//Result
printf("\n lattice constant is %0.3f angstrom",a*10^10)
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