An fcc lattice has a lattice parameter a...

An fcc lattice has a lattice parameter `a = 400` pm. Calculater the molar volume of the lattice including all the empty space.

A

10.8 mL

B

96 mL

C

8.6 mL

D

9.6 mL

Text Solution

Verified by Experts

The correct Answer is:

D

Volume of 4 atoms `= a^(3) = (4 xx 10^(-8))^(3) cm^(3)`
volume of `N_(A)` atoms `= ((4 xx 10^(-8)))/(4) xx 6.023 xx 10^(23) = 9.6 mL`

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