notchasedeibel7128 notchasedeibel7128
  • 23-08-2018
  • Chemistry
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Titanium (ti) has an hcp crystal structure and a density of 4.51 g/cm3(a) what is the volume of its unit cell in cubic meters? (b)

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KaptainEasy KaptainEasy
  • 05-09-2018

The volume of the Ti unit cell can be calculated using Equation :

[tex] V_{c}=\frac{n\times A_{Ti}}{\rho \times N_{A}} [/tex]  

For HCP, n tthat is number of atoms/unit cell = 6 atoms/unit cell,  

atomic weight for Ti, ATi = 47.9 g/mol.  

Thus, [tex] V_{c}=\frac{6\times 47.9}{4.51 \times 6.023\times 10^{23}}  [/tex]

= 1.058 × 10−22 cm³/unit cell

= 1.058 × 10−28 m³/unit cell

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