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Sagot :
We have that the the density of FeS is mathematically given as
- [tex]\phi=2.56h/cm^3[/tex]
From the question we are told
Iron(II) sulfide has a primitive cubic unit cell with sulfide ions at the lattice points.
The ionic radii of iron(II) ions and sulfide ions are 88 pm and 184 pm, respectively.
What is the density of FeS (in g/cm3)?
Density
Generally the equation for the Velocity is mathematically given as
[tex]V_c=a^3=(2\pi Fe^{2+}+2\pi S^{2-})^3\\\\Therefore\\\\V=a^3(2\pi*0.088+2\pi 0.184)^3\\\\V=16.98*10^{-23}\\\\Therefore\\\\\phi=n\frac{PFeion+PSion}{VNa}\\\\\phi=3*\frac{55.85+32}{16.9*10^{-23}*6.023*10^{23}}[/tex]
- [tex]\phi=2.56h/cm^3[/tex]
- [tex]\phi=2.56h/cm^3[/tex]
For more information on ionic radii visit
https://brainly.com/question/13981855
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