At 100°C, copper (Cu) has FCC unit cell structure with cell edge length of x Å. What is the approximate density of Cu (in g cm–3) at this temperature? [Atomic mass of Cu = 63.55 u]

Engineering

Chemistry

Simple Face and Body Centered Unit Cells

Question

At 100°C, copper (Cu) has FCC unit cell structure with cell edge length of x Å. What is the approximate density of Cu (in g cm^–3) at this temperature? [Atomic mass of Cu = 63.55 u]

$\frac{211}{x^{3}}$

$\frac{422}{x^{3}}$

$\frac{205}{x^{3}}$

$\frac{105}{x^{3}}$

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$d = \frac{ZM}{N_{a} a^{3}}$